SFO to AUS flight delays & on-time performance
Nonstop flights from San Francisco International Airport to Austin Bergstrom International Airport · 1,504 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SFO or AUS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from San Francisco (SFO) to Austin (AUS) arrived on time 74% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.5% were cancelled, and 9% arrived an hour or more late.
- Alaska Airlines was the most punctual airline here (86% on time); Southwest Airlines was the least (43%).
- Departures scheduled around 7am did best (97% on time); around 10am did worst (57%).
- Saturday was the most reliable day to fly (81% on time) and Thursday the least (70%).
- The largest source of delay minutes was late-arriving aircraft (56%).
Which airline is most on time from SFO 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 |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 91% | 0.0% | 5 min | 0.0% | 11 |
| Alaska Airlines | 86% | 0.4% | 10 min | 4.6% | 282 |
| United Airlines | 82% | 0.4% | 10 min | 4.6% | 1,637 |
| Delta Air Lines | 63% | 1.5% | 31 min | 14.4% | 474 |
| Southwest Airlines | 43% | 0.0% | 37 min | 22.4% | 398 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am97%374 flights
- 8am87%143 flights
- 9am76%87 flights
- 10am57%140 flights
- 11am61%278 flights
- 12pm63%291 flights
- 1pm69%524 flights
- 4pm71%129 flights
- 5pm60%258 flights
- 6pm87%295 flights
- 7pm75%73 flights
- 11pm84%166 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday71%0.7% cancelled
- Tuesday79%0.3% cancelled
- Wednesday77%0.5% cancelled
- Thursday70%0.0% cancelled
- Friday71%0.0% cancelled
- Saturday81%2.3% cancelled
- Sunday72%0.2% 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 aircraft56%
- Airline (crew, maintenance, cleaning, fueling)26%
- Air traffic control & airport congestion15%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)60%
- Extreme weather33%
- Air traffic control & airport congestion7%
- Security0%
SFO to AUS: common questions
- How often are SFO to AUS flights on time?
- 74% 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 San Francisco to Austin cancelled?
- 0.5% of scheduled flights were cancelled (15 of 2,802).
- How long are typical delays?
- Across all flights the average arrival delay was 18 min (early arrivals count as zero). Flights that were late arrived 63 min behind schedule on average, and 8.8% of flights were an hour or more late.
- How long is taxi time at SFO?
- Flights on this route spent 21 min taxiing from the gate to takeoff on average.
Related routes
Return trip: AUS to SFO — 74% on time
More flights from San Francisco
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SFO → AUS, nonstop flights by US airlines that report to the DOT. How we calculate this.