Historical on-time performance
Houston to Tulsa
429 miData through May 2026Source: US DOT · BTS
Flights on IAH–TUL arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled0.7%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
- SkyWest AirlinesbestOn-time82%Medianon timep9040 minCancel0.4%Flights796
- United AirlinesOn-time73%Medianon timep9045 minCancel1.6%Flights322
Why flights run late
Delay causes
- Airline40%
- Weather6%
- Air traffic (NAS)12%
- Late aircraft42%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline13%
- Weather88%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 8 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 IAH → TUL
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 71% to 84% on time.
- Mornings84% on time · p90 30 min · 415 flights
- Middays80% on time · p90 50 min · 436 flights
- Afternoons79% on time · p90 45 min · 180 flights · limited
- Overnights76% on time · p90 45 min · 589 flights
- Evenings71% on time · p90 70 min · 387 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 81% on time.
- Wednesdays81% on time · p90 35 min · 301 flights
- Tuesdays80% on time · p90 35 min · 283 flights
- Thursdays79% on time · p90 45 min · 292 flights
- Sundays79% on time · p90 55 min · 304 flights
- Fridays76% on time · p90 50 min · 295 flights
- Mondays75% on time · p90 60 min · 286 flights
- Saturdays73% on time · p90 70 min · 247 flights
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