Houston Astros records

1962–2026

Best starts

Wins to open a season

  1. 6 to start 1987
  2. 4 to start 1968
  3. 4 to start 2001
  4. 4 to start 2021
  5. 3 to start 1962

Best seasons

Highest regular-season win percentage

  1. 2019 107–55
  2. 2022 106–56
  3. 2018 103–59
  4. 1998 102–60
  5. 2017 101–61

Worst seasons

Lowest regular-season win percentage

  1. 2013 51–111
  2. 2012 55–107
  3. 2011 56–106
  4. 1975 64–97–1
  5. 1965 65–97

Worst starts

Losses to open a season

  1. 9 to start 1983
  2. 8 to start 2010
  3. 5 to start 1969
  4. 5 to start 1978
  5. 5 to start 2011

Win streaks

Consecutive wins

  1. 12 1999
  2. 12 2004
  3. 12 2018
  4. 11 2017
  5. 11 2021

Losing streaks

Consecutive losses

  1. 15 2013
  2. 12 2012
  3. 11 1995
  4. 10 1963
  5. 10 1967

Biggest wins

Largest margins of victory

  1. 23–2 Baltimore Orioles 2019
  2. 21–1 Seattle Mariners 2019
  3. 19–1 Toronto Blue Jays 2017
  4. 18–1 St. Louis Cardinals 2007
  5. 18–1 Los Angeles Dodgers 2025

Worst losses

Largest margins of defeat

  1. 3–19 Washington Nationals 1979
  2. 3–19 Colorado Rockies 2011
  3. 2–18 Cincinnati Reds 1989
  4. 1–17 New York Mets 1999
  5. 1–17 Boston Red Sox 2023

Postseason

Seasons that reached the playoffs

  1. 2026 0–2
  2. 2024 0–2
  3. 2023 6–5
  4. 2022 11–2 title game
  5. 2021 9–7 title game
  6. 2020 8–5
  7. 2019 10–8 title game
  8. 2018 4–4

World Series appearances

Seasons that reached the World Series

  1. 2022 won World Series
  2. 2021 lost World Series
  3. 2019 lost World Series
  4. 2017 won World Series
  5. 2005 lost World Series

Ties

Games that ended level

  1. 2–2 Cincinnati Reds 2005
  2. 3–3 St. Louis Cardinals 1975
  3. 1–1 Atlanta Braves 1966
  4. 7–7 New York Mets 1962
  5. 5–5 St. Louis Cardinals 1962
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