Historical on-time performance
Tulsa to Houston
429 miData through May 2026Source: US DOT · BTS
Flights on TUL–IAH arrive on time 83% of the time over the last 12 months.
On-time rate83%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.0%of scheduled flights
based on 1,118 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesbestOn-time88%Medianon timep9015 minCancel1.5%Flights323
- SkyWest AirlinesOn-time81%Medianon timep9040 minCancel0.8%Flights795
Why flights run late
Delay causes
- Airline31%
- Weather11%
- Air traffic (NAS)28%
- Late aircraft30%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline9%
- Weather91%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 11 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly TUL → IAH
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 76% to 87% on time.
- Mornings87% on time · p90 15 min · 954 flights
- Middays85% on time · p90 25 min · 726 flights
- Evenings76% on time · p90 60 min · 165 flights · limited
- Afternoons76% on time · p90 80 min · 459 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 86% on time.
- Thursdays86% on time · p90 20 min · 340 flights
- Tuesdays86% on time · p90 20 min · 321 flights
- Wednesdays85% on time · p90 20 min · 337 flights
- Sundays83% on time · p90 45 min · 326 flights
- Fridays82% on time · p90 40 min · 338 flights
- Saturdays82% on time · p90 30 min · 298 flights
- Mondays80% on time · p90 45 min · 345 flights
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