Historical on-time performance
Houston to Oklahoma City
Flights on IAH–OKC arrive on time 76% of the time over the last 12 months.
based on 1,347 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- United AirlinesOn-time81%Medianon timep9030 minCancel1.3%Flights152
- SkyWest AirlinesOn-time76%Medianon timep9065 minCancel1.3%Flights1,195
Why flights run late
Delay causes
- Airline31%
- Weather13%
- Air traffic (NAS)14%
- Late aircraft42%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline6%
- Weather94%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 18 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 → OKC
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 84% on time.
- Mornings84% on time · p90 30 min · 859 flights
- Afternoons79% on time · p90 50 min · 538 flights
- Overnights72% on time · p90 60 min · 703 flights
- Middays72% on time · p90 80 min · 156 flights · limited
- Evenings69% on time · p90 70 min · 915 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 80% on time.
- Thursdays80% on time · p90 40 min · 473 flights
- Tuesdays79% on time · p90 50 min · 452 flights
- Wednesdays77% on time · p90 50 min · 461 flights
- Sundays74% on time · p90 60 min · 451 flights
- Fridays74% on time · p90 65 min · 460 flights
- Saturdays73% on time · p90 60 min · 407 flights
- Mondays71% on time · p90 65 min · 467 flights
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