Anchorage (ANC) to San Francisco (SFO): On-Time Performance
Data through May 2026
Anchorage (ANC) to San Francisco (SFO) is a thinner route than most in this dataset — 289 departures over the past year, roughly 6 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 82% arrived on time.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 0.5%
- Flights/day
- 0.79
- last 12 months
- Duration
- 4h 41m
- scheduled
- Distance
- 2,018 mi
Best airline from ANC to SFO
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 85% | 14 min | 1.2% | 249 |
| Alaska Airlines | 80% | 11 min | 0.0% | 306 |
Monthly on-time trend
Best time to fly from ANC to SFO
Aim for departures around 2 p.m. (89% on-time); avoid 4 p.m. departures (80%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 81% | 9 min |
| Tuesday | 80% | 10 min |
| Wednesday | 83% | 29 min |
| Thursdaybest | 84% | 8 min |
| Friday | 81% | 8 min |
| Saturdaybest | 84% | 11 min |
| Sunday | 80% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft35%
- Airline operations49%
- National airspace system16%
Frequently asked questions
- How often are flights from ANC to SFO delayed?
- 18% of ANC–SFO flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 12 minutes.
- Which airline is most reliable from ANC to SFO?
- United Airlines has the best on-time record on this route at 85%, based on 249 flights. 2 airlines flew ANC–SFO frequently enough to compare in this period.
- What is the best time of day to fly from ANC to SFO?
- Departures around 2 p.m. have the best record (89% on-time), while departures around 4 p.m. have the worst (80%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ANC to SFO?
- The scheduled ANC–SFO flight time averages 4h 41m over 2,018 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are ANC to SFO flights cancelled?
- 0.5% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What day of the week is most reliable for ANC to SFO?
- Thursday flights have the best record at 84% on-time. Day-of-week differences on this route are modest.
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Based on 555 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.