Historical on-time performance
Houston to Pittsburgh
1,131 miData through Dec 2025Source: US DOT · BTS
Flights on HOU–PIT arrive on time 69% of the time over the last 12 months.
On-time rate69%arrived within 15 min
p90 delay65 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 152 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time69%Medianon timep9065 minCancel0.0%Flights152
Why flights run late
Delay causes
- Airline24%
- Weather2%
- Air traffic (NAS)16%
- Late aircraft56%
- Security1%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly HOU → PIT
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 73% to 78% on time.
- Middays78% on time · p90 35 min · 379 flights
- Afternoons75% on time · p90 50 min · 317 flights
- Evenings73% on time · p90 50 min · 120 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 82% on time.
- Wednesdays82% on time · p90 35 min · 113 flights · limited
- Fridays77% on time · p90 40 min · 126 flights · limited
- Sundays77% on time · p90 55 min · 146 flights · limited
- Thursdays76% on time · p90 50 min · 124 flights · limited
- Saturdays75% on time · p90 30 min · 81 flights · limited
- Mondays73% on time · p90 30 min · 126 flights · limited
- Tuesdays73% on time · p90 65 min · 114 flights · limited
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