Flights Raleigh-durham → Houston
RDU → IAH
Route overview
The flight route from Raleigh-Durham to Houston operates with a high level of punctuality, achieving an on-time performance rate of 89%. Over the course of the year, it has recorded a mean delay of just 6.3 minutes per flight across 303 total flights, typically using Boeing 737-700 aircraft. The destination airport serves over 40 million passengers annually, indicating its significant traffic and importance in the region.
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 Raleigh-durham (RDU) → Houston (IAH) route is operated by United Airlines. Across 385 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 0.78%. FlightGuard's average computed risk is 23/100 (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 Raleigh-durham the average ATFM delay is 2.0 minutes.
Heading to Houston: what to expect in this direction
Flying from Raleigh-durham (RDU) to Houston (IAH) heads west for about 1,675 km, a flight time of roughly 2h 31m.
Departures from Raleigh-durham on this leg cluster in the morning window: about 35% of RDU-IAH flights take off then.
Air-traffic congestion: departing Raleigh-durham the average ATFM delay is 2.0 min (atfm); arriving into Houston it is 2.0 min (atfm).
Across 385 tracked RDU-IAH flights, 88% left on time with an average delay of 8 min and a 0.8% 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 RDU-IAH
Airports
Frequently asked questions about RDU-IAH
On the Raleigh-durham (RDU) -> Houston (IAH) route, on-time performance is 88% with an average delay of 8 minutes, based on 385 tracked flights.
The cancellation rate on Raleigh-durham-Houston is 0.78% across 385 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.
