HOU to AUS flight delays & on-time performance
Nonstop flights from William P. Hobby Airport to Austin Bergstrom International Airport · 148 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at HOU or AUS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Houston (HOU) to Austin (AUS) arrived on time 75% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.4% were cancelled, and 6% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 7am did best (94% on time); around 3pm did worst (53%).
- Tuesday was the most reliable day to fly (85% on time) and Sunday the least (65%).
- The largest source of delay minutes was late-arriving aircraft (55%).
Which airline is most on time from HOU to AUS?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 75% | 0.4% | 13 min | 6.0% | 1,362 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am94%69 flights
- 8am93%83 flights
- 9am90%102 flights
- 10am86%166 flights
- 11am88%101 flights
- 1pm80%69 flights
- 2pm65%147 flights
- 3pm53%77 flights
- 6pm71%73 flights
- 7pm80%54 flights
- 8pm71%155 flights
- 9pm64%98 flights
- 10pm57%136 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday74%0.5% cancelled
- Tuesday85%1.1% cancelled
- Wednesday82%0.0% cancelled
- Thursday71%0.0% cancelled
- Friday73%0.0% cancelled
- Saturday77%0.5% cancelled
- Sunday65%0.5% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft55%
- Airline (crew, maintenance, cleaning, fueling)24%
- Air traffic control & airport congestion20%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather60%
- Airline (crew, maintenance, cleaning, fueling)20%
- Air traffic control & airport congestion20%
- Security0%
HOU to AUS: common questions
- How often are HOU to AUS flights on time?
- 75% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Houston to Austin cancelled?
- 0.4% of scheduled flights were cancelled (5 of 1,362).
- How long are typical delays?
- Across all flights the average arrival delay was 13 min (early arrivals count as zero). Flights that were late arrived 48 min behind schedule on average, and 6.0% of flights were an hour or more late.
- How long is taxi time at HOU?
- Flights on this route spent 14 min taxiing from the gate to takeoff on average.
Related routes
Return trip: AUS to HOU — 69% on time
More flights from Houston
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: HOU → AUS, nonstop flights by US airlines that report to the DOT. How we calculate this.