AUS to SFO flight delays & on-time performance
Nonstop flights from Austin Bergstrom International Airport to San Francisco International Airport · 1,504 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at AUS or SFO right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Austin (AUS) to San Francisco (SFO) arrived on time 74% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.6% were cancelled, and 10% arrived an hour or more late.
- Alaska Airlines was the most punctual airline here (83% on time); Southwest Airlines was the least (60%).
- Departures scheduled around 6am did best (95% on time); around 8pm did worst (40%).
- Tuesday was the most reliable day to fly (82% on time) and Monday the least (70%).
- The largest source of delay minutes was air traffic control & airport congestion (47%).
Which airline is most on time from AUS to SFO?
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 |
|---|---|---|---|---|---|
| Alaska Airlines | 83% | 0.7% | 11 min | 5.0% | 283 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 82% | 0.0% | 5 min | 0.0% | 11 |
| United Airlines | 77% | 0.5% | 18 min | 9.6% | 1,639 |
| Delta Air Lines | 66% | 1.1% | 22 min | 11.3% | 474 |
| Southwest Airlines | 60% | 0.5% | 23 min | 11.9% | 398 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am93%60 flights
- 6am95%189 flights
- 7am87%404 flights
- 8am63%234 flights
- 9am79%215 flights
- 10am74%306 flights
- 11am65%186 flights
- 12pm76%53 flights
- 1pm73%229 flights
- 3pm67%357 flights
- 4pm63%163 flights
- 5pm78%165 flights
- 6pm82%66 flights
- 7pm41%49 flights
- 8pm40%107 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday70%0.9% cancelled
- Tuesday82%0.3% cancelled
- Wednesday72%0.3% cancelled
- Thursday71%0.5% cancelled
- Friday72%0.2% cancelled
- Saturday81%0.9% cancelled
- Sunday70%1.2% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion47%
- Late-arriving aircraft31%
- Airline (crew, maintenance, cleaning, fueling)21%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)59%
- Extreme weather35%
- Air traffic control & airport congestion6%
- Security0%
AUS to SFO: common questions
- How often are AUS to SFO 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 Austin to San Francisco cancelled?
- 0.6% of scheduled flights were cancelled (17 of 2,805).
- 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 67 min behind schedule on average, and 9.7% of flights were an hour or more late.
- How long is taxi time at AUS?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SFO to AUS — 74% on time
More flights from Austin
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: AUS → SFO, nonstop flights by US airlines that report to the DOT. How we calculate this.