Flights Oklahoma City → Houston
OKC → IAH
How long is the flight from Oklahoma City to Houston?
The flight from Oklahoma City (OKC) to Houston (IAH) takes 41 min on average. That is the median time recorded across 1 scheduled flight on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
Route overview
The flight route from Oklahoma City to Houston features a high on-time performance rate of 91%, with an average delay of just 4.3 minutes. Over the course of a year, this route sees approximately 618 flights operated by various aircraft including Boeing 737-800, Airbus A319, Airbus A320, and Boeing 737-900, serving a destination airport that handles nearly 40.98 million passengers annually.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Oklahoma City (OKC) → Houston (IAH) route is operated by United Airlines. Across 1525 flights monitored in recent months, 88% arrived on time (within 15 min of schedule), with an average delay of 8 minutes. The cancellation rate is 1.44%. FlightGuard's average computed risk is 29/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Houston the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Oklahoma City the average ATFM delay is 5.5 minutes.
Heading to Houston: what to expect in this direction
Flying from Oklahoma City (OKC) to Houston (IAH) heads south for about 637 km, a flight time of roughly 41m.
Departures from Oklahoma City on this leg cluster in the overnight window: about 45% of OKC-IAH flights take off then.
Air-traffic congestion: departing Oklahoma City the average ATFM delay is 5.5 min (atfm); arriving into Houston it is 5.5 min (atfm).
Across 1,525 tracked OKC-IAH flights, 88% left on time with an average delay of 8 min and a 1.4% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| United Airlines (UA) | 83% | 5 min | 1.3% |
Airlines operating OKC-IAH
Airports
Frequently asked questions about OKC-IAH
The flight from Oklahoma City (OKC) to Houston (IAH) takes 41 min on average. That is the median time recorded across 1 scheduled flight on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the Oklahoma City (OKC) -> Houston (IAH) route, on-time performance is 88% with an average delay of 8 minutes, based on 1525 tracked flights.
The cancellation rate on Oklahoma City-Houston is 1.44% across 1525 monitored flights.
The route is operated by 1 airline: United Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Houston, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
