Flights Austin → Houston
AUS → IAH
Route overview
The flight route from Austin to Houston operates with a high on-time performance rate of 89%, with an average delay of just 7.4 minutes per flight. Over the course of a year, this route sees approximately 702 flights using various aircraft models including Airbus A320s and A319s as well as Boeing 737 series planes, serving one of the busiest airports in terms of annual passenger traffic with over 40 million passengers.
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 Austin (AUS) → Houston (IAH) route is operated by United Airlines. Across 951 flights monitored in recent months, 87% arrived on time (within 15 min of schedule), with an average delay of 10 minutes. The cancellation rate is 2.31%. FlightGuard's average computed risk is 23.3/100 (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 Austin the average ATFM delay is 2.0 minutes.
Heading to Houston: what to expect in this direction
Flying from Austin (AUS) to Houston (IAH) heads east for about 225 km, a flight time of roughly 42m.
Departures from Austin on this leg cluster in the morning window: about 50% of AUS-IAH flights take off then.
Air-traffic congestion: departing Austin the average ATFM delay is 2.0 min (atfm); arriving into Houston it is 2.0 min (atfm).
Across 951 tracked AUS-IAH flights, 87% left on time with an average delay of 10 min and a 2.3% cancellation rate.
Route facts
Flights on this route
Check the risk of a specific flight.
Flexible on this trip? Compare flights
Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| United Airlines (UA) | 74% | 10 min | 6.9% |
Airlines operating AUS-IAH
Airports
Frequently asked questions about AUS-IAH
On the Austin (AUS) -> Houston (IAH) route, on-time performance is 87% with an average delay of 10 minutes, based on 951 tracked flights.
The cancellation rate on Austin-Houston is 2.31% across 951 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.
