Flights Columbus → Houston
CMH → IAH
Route overview
This flight route operates between Columbus and Houston, utilizing both Embraer 170 and Canadair Regional Jet 700 aircraft. With a total of 240 flights recorded, the route maintains an on-time performance rate of 87%, with an average delay of 5.8 minutes per flight.
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 Columbus (CMH) → Houston (IAH) route is operated by United Airlines. Across 302 flights monitored in recent months, 86% arrived on time (within 15 min of schedule), with an average delay of 6 minutes. The cancellation rate is 2.32%. FlightGuard's average computed risk is 20.5/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Houston the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Columbus the average ATFM delay is 2.0 minutes.
Heading to Houston: what to expect in this direction
Flying from Columbus (CMH) to Houston (IAH) heads south-west for about 1,586 km, a flight time of roughly 2h 24m.
Departures from Columbus on this leg cluster in the morning window: about 61% of CMH-IAH flights take off then.
Air-traffic congestion: departing Columbus the average ATFM delay is 2.0 min (atfm); arriving into Houston it is 2.0 min (atfm).
Across 302 tracked CMH-IAH flights, 86% left on time with an average delay of 6 min and a 2.3% 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) | 74% | 10 min | 6.9% |
Airlines operating CMH-IAH
Airports
Frequently asked questions about CMH-IAH
On the Columbus (CMH) -> Houston (IAH) route, on-time performance is 86% with an average delay of 6 minutes, based on 302 tracked flights.
The cancellation rate on Columbus-Houston is 2.32% across 302 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.
