Kansas City Chiefs records

Best seasons

Highest regular-season win percentage

1. 2024 15–2
2. 2020 14–2
3. 1968 12–2
4. 2022 14–3
5. 1966 11–2–1

Worst seasons

Lowest regular-season win percentage

1. 2008 2–14
2. 2012 2–14
3. 1977 2–12
4. 1978 4–12
5. 2007 4–12

Best starts

Wins to open a season

1. 9 to start 2003
2. 9 to start 2013
3. 9 to start 2024
4. 5 to start 2017
5. 5 to start 2018

Worst starts

Losses to open a season

1. 5 to start 1977
2. 5 to start 2009
3. 4 to start 1976
4. 4 to start 1980
5. 3 to start 1975

Undefeated seasons

Regular seasons finished undefeated

None on record.

Win streaks

Consecutive wins

1. 11 2015–2016
2. 11 2023–2024
3. 10 2019–2020
4. 10 2020
5. 9 2003

Losing streaks

Consecutive losses

1. 12 2007–2008
2. 9 1987
3. 9 2008–2009
4. 8 1975–1976
5. 8 2012

Biggest wins

Largest margins of victory

1. 59–7 Denver Broncos 1963
2. 49–0 Arizona Cardinals 2002
3. 48–0 New York Jets 1963
4. 56–10 Denver Broncos 1966
5. 56–10 Atlanta Falcons 2004

Worst losses

Largest margins of defeat

1. 3–48 Detroit Lions 2011
2. 0–45 Pittsburgh Steelers 1976
3. 0–45 Seattle Seahawks 1984
4. 0–42 Miami Dolphins 1987
5. 7–45 Pittsburgh Steelers 2006

Postseason

Seasons that reached the playoffs

1. 2024 2–1 title game
2. 2023 4–0 title game
3. 2022 3–0 title game
4. 2021 2–1
5. 2020 2–1 title game
6. 2019 3–0 title game
7. 2018 1–1
8. 2017 0–1

Championship games

Seasons that reached the final

1. 2024 lost Super Bowl
2. 2023 won Super Bowl
3. 2022 won Super Bowl
4. 2020 lost Super Bowl
5. 2019 won Super Bowl
6. 1969 won Super Bowl
7. 1966 won AFL Championship
8. 1962 won AFL Championship