Flights Austin → Houston
AUS → IAH
How long is the flight from Austin to Houston?
The flight from Austin (AUS) to Houston (IAH) takes 47 min on average. That is the median time recorded across 3 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
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 1738 flights monitored in recent months, 84% arrived on time (within 15 min of schedule), with an average delay of 11 minutes. The cancellation rate is 1.55%. FlightGuard's average computed risk is 24.4/100 (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 Austin the average ATFM delay is 5.5 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 47m.
Departures from Austin on this leg cluster in the morning window: about 45% of AUS-IAH flights take off then.
Air-traffic congestion: departing Austin the average ATFM delay is 5.5 min (atfm); arriving into Houston it is 5.5 min (atfm).
Across 1,738 tracked AUS-IAH flights, 84% left on time with an average delay of 11 min and a 1.6% 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 AUS-IAH
Airports
Frequently asked questions about AUS-IAH
The flight from Austin (AUS) to Houston (IAH) takes 47 min on average. That is the median time recorded across 3 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the Austin (AUS) -> Houston (IAH) route, on-time performance is 84% with an average delay of 11 minutes, based on 1738 tracked flights.
The cancellation rate on Austin-Houston is 1.55% across 1738 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.
