Historical on-time performance
Oklahoma City to Houston
Flights on OKC–IAH arrive on time 82% of the time over the last 12 months.
based on 1,346 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.
- SkyWest AirlinesOn-time82%Medianon timep9030 minCancel1.4%Flights1,194
- United AirlinesOn-time82%Medianon timep9035 minCancel0.7%Flights152
Why flights run late
Delay causes
- Airline45%
- Weather7%
- Air traffic (NAS)24%
- Late aircraft24%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline6%
- Weather89%
- Air traffic (NAS)6%
- 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 OKC → 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 69% to 85% on time.
- Mornings85% on time · p90 25 min · 1,429 flights
- Middays83% on time · p90 30 min · 739 flights
- Afternoons73% on time · p90 65 min · 446 flights
- Evenings69% on time · p90 50 min · 288 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 84% on time.
- Wednesdays84% on time · p90 30 min · 418 flights
- Tuesdays81% on time · p90 35 min · 410 flights
- Saturdays81% on time · p90 30 min · 362 flights
- Thursdays81% on time · p90 35 min · 431 flights
- Sundays80% on time · p90 35 min · 427 flights
- Fridays79% on time · p90 40 min · 424 flights
- Mondays79% on time · p90 40 min · 430 flights
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