NFL's Longest Undefeated Regular Seasons

The 2008-2009 Indianapolis Colts hold the record for the longest regular-season winning streak at 23 games, while the 1972 Miami Dolphins completed the only perfect undefeated season in NFL history, including the Super Bowl.

The top 3

  1. NFL's Only Truly Perfect Season: The 1972 Miami Dolphins remain the sole NFL team to complete a perfect season, going 17-0 (14-0 regular season, plus three playoff wins including Super Bowl VII) and etching an unmatched record in league history. Miami Dolphins
  2. Undefeated Regular Seasons with Playoff Heartbreak: Several teams achieved undefeated regular seasons but fell short in the playoffs, most notably the 2007 New England Patriots (16-0 regular season) who lost Super Bowl XLII, and the 1934 and 1942 Chicago Bears who lost their championship games.
  3. Longest Overall NFL Winning Streaks: Beyond single-season perfection, the New England Patriots hold the record for the longest overall winning streak, with 21 consecutive victories spanning the 2003-2004 seasons (including playoffs). The Indianapolis Colts hold the longest regular-season winning streak at 23 games (2008-2009).

Sources

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