Historical on-time performance
Houston to Tulsa
429 miData through Dec 2025Source: US DOT · BTS
Flights on IAH–TUL arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled0.9%of scheduled flights
based on 1,009 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesbestOn-time80%Medianon timep9050 minCancel0.3%Flights637
- United AirlinesOn-time73%Medianon timep9045 minCancel1.9%Flights372
Why flights run late
Delay causes
- Airline39%
- Weather9%
- Air traffic (NAS)13%
- Late aircraft39%
- Security0%
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 IAH → TUL
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 85% on time.
- Mornings85% on time · p90 25 min · 327 flights
- Middays77% on time · p90 55 min · 375 flights
- Afternoons77% on time · p90 45 min · 220 flights
- Overnights72% on time · p90 55 min · 669 flights
- Evenings72% on time · p90 70 min · 397 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 79% on time.
- Wednesdays79% on time · p90 45 min · 303 flights
- Sundays77% on time · p90 55 min · 301 flights
- Thursdays77% on time · p90 45 min · 291 flights
- Tuesdays77% on time · p90 45 min · 286 flights
- Fridays74% on time · p90 50 min · 285 flights
- Saturdays74% on time · p90 65 min · 234 flights
- Mondays73% on time · p90 55 min · 289 flights
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