Flights Houston → Austin
IAH → AUS
Route overview
The flight route from Houston to Austin operates with a high level of punctuality, with 85% of flights arriving on time. Over the past year, there have been 702 total flights on this route, experiencing an average delay of 7.9 minutes when delays do occur. The aircraft used include various models such as Airbus A319 and Boeing 737 series planes, serving a destination airport that sees over 21 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 Houston (IAH) → Austin (AUS) route is operated by United Airlines. Across 950 flights monitored in recent months, 83% arrived on time (within 15 min of schedule), with an average delay of 11 minutes. The cancellation rate is 1.89%. FlightGuard's average computed risk is 26.4/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Austin the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Houston the average ATFM delay is 2.0 minutes.
Heading to Austin: what to expect in this direction
Flying from Houston (IAH) to Austin (AUS) heads west for about 225 km, a flight time of roughly 42m.
Departures from Houston on this leg cluster in the midday window: about 39% of IAH-AUS flights take off then.
Air-traffic congestion: departing Houston the average ATFM delay is 2.0 min (atfm); arriving into Austin it is 2.0 min (atfm).
Across 950 tracked IAH-AUS flights, 83% left on time with an average delay of 11 min and a 1.9% 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 IAH-AUS
Airports
Frequently asked questions about IAH-AUS
On the Houston (IAH) -> Austin (AUS) route, on-time performance is 83% with an average delay of 11 minutes, based on 950 tracked flights.
The cancellation rate on Houston-Austin is 1.89% across 950 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 Austin, 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.
