Best Win Percentage by a Head Coach in NFL History

The best win percentage by a head coach in NFL history gives a different view of coaching greatness. Instead of only rewarding the longest careers, this ranking focuses on how often each coach won during the regular season. That means this is a regular-season-only ranking, and playoff wins are not included.

Guy Chamberlin leads the graphic with a .784 regular-season win percentage, followed by John Madden, Vince Lombardi, George Allen and Nick Sirianni. Some names are early-era legends. Others are modern coaches whose percentages can still move every season.

This list is especially interesting because it rewards dominance and efficiency, not only longevity. Don Shula, Bill Belichick and Andy Reid rank near the top in total regular-season wins, but win percentage gives shorter-tenure coaches like John Madden, Vince Lombardi and Guy Chamberlin a major spotlight.

Important tie-era note: this article follows the win percentages shown in the graphic. For older coaches with ties, that can differ from sources that count ties as half-wins. Guy Chamberlin is the best example. His .784 mark comes from wins divided by wins plus losses, excluding ties. Sources that count ties as half-wins list his percentage lower. Because the graphic uses the .784 figure, this post uses the same display method throughout.

For more NFL history content, this post connects naturally to the main SOG Sports NFL page, the most games won by a head coach in NFL history, the best NFL head coaches of all-time and the best head coaches in the NFL today.

How This Ranking Works

This ranking is based on regular-season win percentage by NFL head coaches. It does not include playoff wins, which is why the graphic says “season only.”

Win percentage measures efficiency. A coach with fewer seasons can rank higher than a coach with more total wins if his teams won at a higher rate during the regular season.

This matters because total wins and win percentage tell different stories. Don Shula owns the most regular-season wins ever, but Guy Chamberlin owns the best win percentage in this graphic. Bill Belichick has the greatest playoff résumé of any head coach, but this specific list only measures regular-season success rate.

Minimum-sample context also matters. A coach with a short but dominant career can rank ahead of a coach who won for 25 or 30 years. That does not automatically make the shorter-tenure coach greater overall. It means he won at a higher regular-season rate within the sample shown.

Active coaches such as Nick Sirianni, Jim Harbaugh, Sean McDermott, Matt LaFleur, Andy Reid, Kevin O’Connell, Sean Payton, Mike Tomlin and DeMeco Ryans can still move up or down as future seasons change their records.

Tier 1: .780+ Regular-Season Win Percentage

Tier 1 of the best win percentage by a head coach in NFL history ranking, featuring Guy Chamberlin.

Guy Chamberlin, .784

Career stats/accolades: .784 regular-season win percentage on the graphic, early NFL coaching legend, multiple NFL championships and Pro Football Hall of Fame member.

Guy Chamberlin sits alone at the top of this ranking because his regular-season winning rate was absurd. His coaching career came in the NFL’s earliest years, but the results were dominant enough to still stand out more than a century later.

Chamberlin coached during a completely different version of professional football. The league had shorter schedules, frequent ties, smaller rosters and far less stability than the modern NFL. That makes direct comparisons difficult, but it also makes his winning consistency hard to ignore.

The key context is that Chamberlin did not coach as long as Don Shula, George Halas, Bill Belichick or Andy Reid. He ranks first here because this is a win-percentage list, not a longevity list. In a regular-season efficiency ranking, his early-era dominance earns the top spot.

Tier 2: .750+ Regular-Season Win Percentage

Tier 2 of the best win percentage by a head coach in NFL history ranking, featuring John Madden.

John Madden, .759

Career stats/accolades: .759 regular-season win percentage, 1x Super Bowl champion, Oakland Raiders icon and Pro Football Hall of Fame member.

John Madden is the strongest modern-era name near the top of this list. He coached the Raiders for 10 seasons, never had a losing year and won at a rate that still looks ridiculous today.

Madden’s teams were not soft regular-season stat collectors. The Raiders were physical, aggressive and constantly in contention. His .759 regular-season win percentage came in an era loaded with strong AFC competition, including the Steelers, Dolphins and Colts.

The shorter career matters, but it should not be used against him too heavily. Madden coached long enough to prove it was not a fluke, won a Super Bowl and walked away before the decline years could drag down the percentage.

If this were a total-wins list, Madden would not rank this high. On a win-rate list, he absolutely belongs near the top.

Tier 3: .720+ Regular-Season Win Percentage

Tier 3 of the best win percentage by a head coach in NFL history ranking, featuring Vince Lombardi.

Vince Lombardi, .738

Career stats/accolades: .738 regular-season win percentage, 5x NFL champion, 2x Super Bowl champion and Pro Football Hall of Fame member.

Vince Lombardi remains the ultimate symbol of NFL coaching greatness. The Super Bowl trophy is named after him, and his Packers teams defined championship football in the 1960s.

His win percentage shows that Lombardi was not only great in January. He dominated the regular season too. His teams were disciplined, physical and brutally consistent before the playoffs even started.

Lombardi won five championships in seven years with Green Bay, including the first two Super Bowls. That combination of regular-season dominance and postseason payoff is why his résumé still feels different from most coaches in football history.

Some coaches on this list have more total wins. Very few have a better combination of winning percentage, championships and cultural impact.

Tier 4: .690+ Regular-Season Win Percentage

Tier 4 of the best win percentage by a head coach in NFL history ranking, featuring George Allen, Nick Sirianni, Tommy Hughitt, and Blanton Collier.

George Allen, .712

Career stats/accolades: .712 regular-season win percentage, longtime Rams and Washington head coach and Pro Football Hall of Fame member.

George Allen was one of the strongest regular-season coaches of his era. His teams were built around veteran leadership, defense, special teams and immediate competitiveness.

Allen never had a losing season as an NFL head coach, which is the cleanest explanation for why he ranks this high. He did not need a 25-year career to prove his regular-season value because his teams won almost immediately wherever he coached.

His “future is now” roster-building approach was not always built for long-term patience, but it worked in the regular season. Allen’s teams were prepared, tough and difficult to beat.

He never won a Super Bowl, which limits his broader legacy compared to Lombardi, Madden and others. But in a regular-season win-percentage ranking, Allen belongs in the top tier of historical efficiency.

Nick Sirianni, .694

Career stats/accolades: .694 regular-season win percentage, Super Bowl-winning head coach and multiple playoff appearances with Philadelphia.

Nick Sirianni ranks extremely high because his early head-coaching résumé has been loaded with regular-season wins. Philadelphia has been one of the NFL’s most consistent teams since he took over.

Sirianni’s placement is also one of the most volatile on this list. He is still active, and active coaches with shorter samples can move quickly. One great season can push the percentage up; one bad season can pull it down sharply.

The debate around Sirianni is interesting because Philadelphia’s roster has been strong. Some people credit the front office, offensive line, defense and quarterback talent more than the head coach. But the regular-season record is still the record, and Sirianni has won at a historically high rate so far.

Because this is a regular-season-only ranking, the number earns the spot. The long-term legacy conversation will depend on whether the winning continues across roster changes.

Tommy Hughitt, .694

Career stats/accolades: .694 regular-season win percentage, early-era NFL coach and Buffalo All-Americans figure.

Tommy Hughitt is an early-era name who may not be familiar to modern fans, but his winning percentage stands out. His coaching résumé came during a much different version of professional football.

Like several early NFL names, Hughitt benefits from a shorter sample and a league structure that is not directly comparable to today. Still, a .694 mark is too strong to ignore.

His placement is a reminder that NFL history did not begin with the Super Bowl era. Some of the league’s most efficient coaches built their records before television, free agency and the modern 17-game schedule.

Blanton Collier, .691

Career stats/accolades: .691 regular-season win percentage, 1964 NFL champion and longtime Cleveland Browns head coach.

Blanton Collier continued Cleveland’s winning tradition after Paul Brown. His Browns teams were efficient, well coached and good enough to win the 1964 NFL Championship.

Collier does not always get mentioned with the biggest coaching names, but his regular-season efficiency is elite. A .691 win percentage is not a small-sample gimmick. It reflects a strong Browns run during a competitive era.

His best teams had major talent, including Jim Brown early in his tenure, but Collier still deserves credit for keeping Cleveland at a championship standard after replacing one of football’s most influential coaches.

He is one of the best examples of why this list is useful. Win percentage can highlight coaches who are sometimes overlooked in broader all-time discussions.

Tier 5: .665+ Regular-Season Win Percentage

Tier 5 of the best win percentage by a head coach in NFL history ranking, featuring Ray Flaherty, George Halas, Jim Harbaugh, Don Shula, Paul Brown, and Tony Dungy.

Ray Flaherty, .684

Career stats/accolades: .684 regular-season win percentage, 2x NFL champion as a head coach and Pro Football Hall of Fame member.

Ray Flaherty was one of the NFL’s early championship coaches. His teams won at a high rate, and his coaching résumé was strong enough to earn Hall of Fame recognition.

Flaherty is another early-era coach whose name is not as common in modern arguments, but the results are real. A .684 regular-season win percentage keeps him ahead of several more famous coaches.

His résumé also includes championships, which separates him from coaches who only had strong regular-season records. Flaherty won efficiently and finished the job at the highest level of his era.

George Halas, .682

Career stats/accolades: .682 regular-season win percentage, 318 regular-season wins, 6x NFL champion, Chicago Bears founder and Pro Football Hall of Fame member.

George Halas is one of the most important figures in NFL history. He was a coach, owner, founder and franchise builder who helped shape the league itself.

His placement here is remarkable because he combines longevity and efficiency. Halas won 318 regular-season games while still keeping one of the best win percentages ever.

That is extremely hard to do. Most long-tenured coaches eventually see their percentage fall because of rebuilds, aging rosters or late-career decline. Halas coached for decades and still won more than two-thirds of his regular-season games.

If the conversation is overall NFL impact, Halas belongs near the top of any coaching list. If the conversation is win percentage, he still holds up.

Jim Harbaugh, .679

Career stats/accolades: .679 regular-season win percentage, Super Bowl appearance as an NFL head coach and proven winner at multiple levels.

Jim Harbaugh has always been associated with fast turnarounds and physical football. His NFL teams have played with structure, toughness and confidence almost immediately after he arrived.

His San Francisco run is the clearest example. The 49ers went from talented but stuck to a Super Bowl contender almost overnight under Harbaugh. That type of immediate floor-raising is rare.

His return to the NFL with the Chargers added another modern chapter and kept his regular-season percentage near the top of the all-time leaderboard. Harbaugh’s teams usually play with a clear identity, especially in the trenches.

Because he is active, the number can still change. But through the graphic’s cutoff, his .679 mark reflects one of the strongest winning rates among modern coaches.

Don Shula, .677

Career stats/accolades: .677 regular-season win percentage, 328 regular-season wins, 2x Super Bowl champion, 1972 undefeated season and Pro Football Hall of Fame member.

Don Shula is the all-time regular-season wins leader, but his win percentage is also elite. That combination is what makes his coaching résumé so special.

Shula coached for 33 seasons and still won more than two-thirds of his regular-season games. Most coaches with that kind of longevity eventually slide toward the middle because every long career includes roster resets and difficult stretches.

His 1972 Dolphins remain the only perfect team of the Super Bowl era, but Shula’s record is much bigger than one season. He won with the Colts, won with the Dolphins, reached six Super Bowls and stayed relevant across different football eras.

On a total-wins list, Shula is the standard. On a win-percentage list, he is still elite. That is the point.

Paul Brown, .672

Career stats/accolades: .672 regular-season win percentage, legendary Browns coach, Bengals founder and Pro Football Hall of Fame member.

Paul Brown was one of football’s greatest innovators. His influence on playbooks, scouting, organization, classroom teaching and coaching structure changed the sport.

His win percentage also proves that his ideas worked on the field. Brown was not only influential; he was consistently successful.

Brown’s Cleveland teams dominated before and after joining the NFL, and his fingerprints remain all over modern football preparation. He helped turn coaching into a more organized, professional and detail-driven job.

For this list, the .672 mark is what matters. For football history, Brown’s impact goes far beyond the percentage.

Tony Dungy, .668

Career stats/accolades: .668 regular-season win percentage, 1x Super Bowl champion, longtime Buccaneers and Colts head coach and Pro Football Hall of Fame member.

Tony Dungy built winning teams with calm leadership, defensive structure and a strong locker-room culture. His work in Tampa Bay helped build the foundation for a future champion, and his Colts run ended with a Super Bowl title.

Dungy’s .668 regular-season win percentage shows how steady his teams were across different franchises and roster styles. He won with defense in Tampa Bay and then with Peyton Manning’s offense in Indianapolis.

That range matters. Dungy was not tied to one narrow formula. He built teams that were organized, disciplined and consistent.

He also became the first Black head coach to win a Super Bowl, making his legacy historically important beyond the numbers.

Tier 6: .646+ Regular-Season Win Percentage

Tier 6 of the best win percentage by a head coach in NFL history ranking, featuring Jim Lee Howell, Sean McDermott, Matt LaFleur, Roy Andrews, George Seifert, Bill Belichick, and Paddy Driscoll.

Jim Lee Howell, .663

Career stats/accolades: .663 regular-season win percentage, 1956 NFL champion and longtime New York Giants head coach.

Jim Lee Howell coached one of the most important Giants teams in franchise history. His 1956 championship team helped define an era of New York football.

Howell also had a legendary staff around him. Vince Lombardi and Tom Landry were both assistant coaches under him, which makes his coaching tree one of the most fascinating in NFL history.

His .663 regular-season win percentage shows that his Giants teams were consistently strong, not just historically connected. Howell deserves more attention than he usually gets in modern coaching conversations.

Sean McDermott, .662

Career stats/accolades: .662 regular-season win percentage, multiple AFC East titles and longtime Buffalo Bills head coach.

Sean McDermott helped turn Buffalo from a long-suffering franchise into a consistent AFC contender. The Bills had gone nearly two decades without a playoff appearance before McDermott arrived, and he quickly changed the standard.

The Josh Allen era pushed Buffalo into a yearly contender tier, but McDermott’s value has not only been quarterback development. His teams have usually been organized, defensively credible and strong enough to win double-digit games.

The postseason breakthrough is still the missing piece. This ranking does not measure playoff success, though. It measures regular-season winning rate, and McDermott’s has been excellent.

Because he is active, his percentage can still move. But through the graphic’s cutoff, he belongs among the most efficient regular-season coaches in NFL history.

Matt LaFleur, .654

Career stats/accolades: .654 regular-season win percentage, multiple playoff appearances and longtime Green Bay Packers head coach.

Matt LaFleur has produced one of the strongest regular-season winning rates among modern coaches. Green Bay has remained competitive through quarterback and roster transitions.

LaFleur’s early success with Aaron Rodgers was dominant, but the Jordan Love transition is what makes the résumé more interesting. Winning with one Hall of Fame-level quarterback is impressive. Keeping the team competitive after the transition helps prove the structure is not only quarterback-dependent.

The next step in legacy debates is deeper postseason success. Regular-season efficiency is already there. The question is whether Green Bay can turn that efficiency into a bigger January résumé.

Roy Andrews, .654

Career stats/accolades: .654 regular-season win percentage and early-era NFL head coach.

Roy Andrews is another early-era coach whose name is not common in modern NFL conversations. But the win percentage is strong enough to place him in this historic graphic.

His résumé is a reminder that NFL coaching history goes far beyond the Super Bowl era. Some of the league’s best winning rates were built in the game’s earliest decades.

As with other early coaches, context is important. Schedules were shorter, ties were more common and team structures were very different. Still, the regular-season efficiency deserves a place in the record.

George Seifert, .648

Career stats/accolades: .648 regular-season win percentage, 2x Super Bowl champion as a head coach and longtime 49ers coach.

George Seifert inherited a powerhouse in San Francisco, but he also kept it winning at a championship level. Maintaining a dynasty is not easy, and Seifert did it successfully.

His 49ers teams won two Super Bowls, including the dominant 1989 team and the 1994 group that helped Steve Young step fully out of Joe Montana’s shadow.

The Carolina chapter pulled his overall percentage down, but the full mark still sits at .648. That shows how strong the San Francisco run really was.

Seifert is sometimes underrated because he inherited talent. But plenty of coaches inherit good rosters and fail to maximize them. Seifert kept winning.

Bill Belichick, .647

Career stats/accolades: .647 regular-season win percentage, 302 regular-season wins, 6x Super Bowl champion as head coach and the most playoff wins by a head coach in NFL history.

Bill Belichick is often discussed as the greatest head coach ever. His placement in this win-percentage ranking is strong, but his full legacy becomes much bigger when playoff wins and Super Bowls are included.

This list only counts regular-season efficiency, and Belichick still ranks among the best. The Patriots dynasty remains the defining coaching run of the salary-cap era.

The Cleveland years and the post-Tom Brady decline pulled the percentage down compared with his Patriots peak. That is the tradeoff of a long career. The more years a coach adds, the harder it is to keep the percentage near the very top.

Even with those late-career dents, Belichick’s .647 regular-season mark sits alongside the greatest championship résumé in modern coaching history.

Paddy Driscoll, .646

Career stats/accolades: .646 regular-season win percentage, early-era NFL coach and Pro Football Hall of Fame player.

Paddy Driscoll was one of the great early football figures. His playing résumé is historically important, but his coaching win percentage also deserves attention.

Driscoll coached in an era when professional football was still finding its structure. Player-coaches, smaller staffs and unstable franchises made the job very different from what modern head coaches handle.

His .646 mark keeps him on the graphic because the regular-season efficiency was strong. Even if modern fans know him more as a Hall of Fame player, the coaching record belongs in this conversation.

Tier 7: .627+ Regular-Season Win Percentage

Tier 7 of the best win percentage by a head coach in NFL history ranking, featuring Red Miller, Andy Reid, Kevin O’Connell, Curly Lambeau, Sean Payton, Mike Tomlin, and DeMeco Ryans.

Red Miller, .645

Career stats/accolades: .645 regular-season win percentage, Denver Broncos head coach and Super Bowl XII appearance.

Red Miller had a shorter NFL head-coaching run, but his regular-season win percentage was excellent. His Broncos teams quickly became competitive and reached a Super Bowl.

The shorter sample is the reason he ranks this high. Miller did not have the long second or third coaching chapter that often pulls down a career percentage.

That does not erase the achievement. He took Denver to its first Super Bowl appearance and helped establish the Broncos as a serious NFL franchise.

Andy Reid, .640

Career stats/accolades: .640 regular-season win percentage, 279 regular-season wins, 3x Super Bowl champion and longtime Eagles and Chiefs head coach.

Andy Reid combines longevity with elite efficiency. He has won consistently in Philadelphia and Kansas City while building some of the best offenses in modern football.

Reid’s regular-season win percentage is impressive because it comes across so many years. Shorter-tenure coaches can protect a high percentage more easily. Reid has kept winning through different quarterbacks, rosters, coordinators and league-wide offensive changes.

The Kansas City chapter elevated his legacy from great offensive coach to inner-circle all-time coach. Patrick Mahomes helped unlock the dynasty peak, but Reid’s system, creativity and stability have been central to it.

His .640 mark may not crack the very top of this list, but pairing that percentage with 279 regular-season wins is extremely rare.

Kevin O’Connell, .632

Career stats/accolades: .632 regular-season win percentage, Minnesota Vikings head coach and modern offensive coach.

Kevin O’Connell is one of the active coaches whose percentage can change quickly. His early regular-season success has already placed him in this graphic, but the sample is still smaller than most retired coaches around him.

O’Connell’s ranking reflects a strong start, quarterback-friendly coaching and Minnesota’s ability to stay competitive under his leadership. His offense has been built around spacing, timing and maximizing star receiver talent.

The next challenge is sustaining the percentage through roster change. Early success is valuable, but staying on a win-percentage leaderboard requires surviving the seasons when injuries, quarterback transitions and defensive issues show up.

Curly Lambeau, .631

Career stats/accolades: .631 regular-season win percentage, 226 regular-season wins, 6x NFL champion as head coach, Green Bay Packers founder and Pro Football Hall of Fame member.

Curly Lambeau is one of the foundational figures in NFL history. The Packers still play at Lambeau Field, making his name permanent in football culture.

His win percentage and total wins show both dominance and longevity. Lambeau helped build Green Bay into one of the NFL’s original powers while winning six championships as head coach.

Like Halas, Lambeau’s record comes from a very different NFL. That makes the era comparison difficult, but it does not erase the importance of the numbers.

Winning at a .631 rate across a long early-era career is one of the reasons Lambeau remains central to any Packers or NFL coaching history discussion.

Sean Payton, .630

Career stats/accolades: .630 regular-season win percentage, 184 regular-season wins, 1x Super Bowl champion and longtime Saints head coach.

Sean Payton is one of the best offensive coaches of the modern era. His work with Drew Brees turned the Saints into a yearly contender and one of the NFL’s most dangerous passing teams.

Payton’s .630 win percentage reflects long-term offensive consistency, strong quarterback development and program-building success. New Orleans was not historically viewed as a powerhouse before Payton arrived, which makes the turnaround even more impressive.

His Denver chapter adds another layer. If Payton keeps winning there, he can climb both the wins list and the win-percentage list. If the Broncos stall, the percentage can slide.

For now, he belongs here because his regular-season track record is strong and his offensive influence is obvious.

Mike Tomlin, .628

Career stats/accolades: .628 regular-season win percentage, 193 regular-season wins, 1x Super Bowl champion and longtime Pittsburgh Steelers head coach.

Mike Tomlin’s greatest strength is consistency. His teams have remained competitive through roster changes, quarterback changes and difficult AFC North schedules.

Tomlin has never had a losing season as an NFL head coach through the graphic’s cutoff. That streak is one of the best regular-season résumé points in modern coaching.

The criticism is postseason ceiling in recent years, but that is not what this list measures. This ranking is about regular-season winning rate, and Tomlin has kept Pittsburgh above water every year.

His .628 mark is especially impressive because it comes across a long tenure with high expectations. The longer a coach stays, the harder it is to avoid a bad season that drags the number down.

DeMeco Ryans, .627

Career stats/accolades: .627 regular-season win percentage, Houston Texans head coach and young defensive-minded leader.

DeMeco Ryans is one of the newest names in this ranking, and his percentage is still highly active. A few strong or poor seasons can move him significantly.

His placement reflects an excellent early start in Houston. Ryans helped give the Texans a tougher identity and quickly made them relevant again after years of instability.

The defensive identity matters. Houston’s roster has become more physical, more aggressive and more believable under Ryans, especially with the front built around Will Anderson Jr. and Danielle Hunter.

The next step is staying power. Ryans belongs on the graphic right now because the early win rate is strong, but his long-term ranking will depend on whether Houston keeps winning across multiple roster cycles.

Biggest Takeaways

Guy Chamberlin leads the entire list

Guy Chamberlin’s .784 regular-season win percentage is the top number in the graphic. His coaching career came in the NFL’s earliest years, and the percentage shown here follows the graphic’s method of excluding ties from the calculation.

John Madden is the modern-era standard

John Madden’s .759 win percentage is incredible because it came across a full decade with the Raiders. He never had a losing season and won a Super Bowl.

Vince Lombardi’s dominance shows up everywhere

Vince Lombardi is remembered most for championships, but his .738 regular-season win percentage proves his teams were dominant before the playoffs even started.

Total wins and win percentage tell different stories

Don Shula, Bill Belichick and Andy Reid are higher on the total wins list than most coaches here, but win percentage rewards shorter, more efficient runs as well.

Active coaches can still move

Nick Sirianni, Jim Harbaugh, Sean McDermott, Matt LaFleur, Andy Reid, Kevin O’Connell, Sean Payton, Mike Tomlin and DeMeco Ryans are active or recent enough that their percentages can change as future seasons are added.

Full Win Percentage Table

Note: This table follows the graphic and ranks regular-season win percentage only. Playoff wins are not included.

FAQ: Best Win Percentage by a Head Coach in NFL History

Who has the best win percentage by a head coach in NFL history?

Guy Chamberlin leads the graphic with a .784 regular-season win percentage.

Does this ranking include playoff wins?

No. This ranking is regular-season only, meaning it focuses on regular-season win percentage and does not include playoff wins.

Where does John Madden rank in head coach win percentage?

John Madden ranks second in the graphic with a .759 regular-season win percentage.

Where does Vince Lombardi rank in head coach win percentage?

Vince Lombardi ranks third in the graphic with a .738 regular-season win percentage.

Why is Don Shula not first in win percentage?

Don Shula has the most regular-season wins in NFL history, but win percentage measures winning efficiency rather than total wins. Shula still ranks highly with a .677 regular-season win percentage.

Can active coaches move up or down this list?

Yes. Active coaches can move up or down because their regular-season win percentage changes after each season.

Why can early-era coaching percentages differ by source?

Early-era coaches had more ties, and sources can treat ties differently. This article follows the percentages shown in the graphic, while some historical databases count ties as half-wins.

Conclusion: Best Win Percentage by a Head Coach in NFL History

The best win percentage by a head coach in NFL history ranking gives a different view of coaching greatness. Instead of only rewarding the longest careers, it highlights the coaches who won at the highest rate during the regular season.

Guy Chamberlin leads the way at .784 in the graphic, while John Madden and Vince Lombardi remain two of the strongest examples of coaching dominance in shorter, championship-level runs.

The list also shows how impressive long-term coaches like Don Shula, George Halas, Bill Belichick, Andy Reid, Paul Brown, Mike Tomlin and Sean Payton really were. They did not just coach for a long time. They kept winning while doing it.

Active coaches make the ranking more interesting. Nick Sirianni, Jim Harbaugh, Sean McDermott, Matt LaFleur, Kevin O’Connell and DeMeco Ryans can still move as their careers continue. A few strong seasons can push them higher, while one bad season can quickly pull down the percentage.

Because this ranking is regular-season only, it does not tell the full story of postseason greatness. But it does show which coaches consistently gave their teams the best chance to win across the long grind of NFL seasons.

More NFL All-Time Rankings

For more NFL history content, check out more SOG Sports coaching rankings, career leaderboards and historical tier lists below.

• Most Games Won by a Head Coach in NFL History
• Most Regular-Season Losses by an NFL Head Coach
• Best NFL Head Coaches of All-Time
• Best Head Coaches in the NFL Today
• Best Quarterbacks of All-Time
• Best Running Backs of All-Time
• Best Wide Receivers of All-Time
• NFL Team All-Time Player Rankings Hub

This head coach win percentage ranking is part of a larger all-time NFL rankings series built around legacy, longevity, production, postseason impact and era context. You can also follow SOG Football on Instagram for more NFL rankings, debates and football history content.