San Francisco (SFO) to Anchorage (ANC): On-Time Performance
Data through July 2026
San Francisco (SFO) to Anchorage (ANC) is a thinner route than most in this dataset — 295 departures over the past year, roughly 6 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 81% arrived on time.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 10 min
- completed flights
- Cancelled
- 0.0%
- Flights/day
- 0.81
- last 12 months
- Duration
- 4h 52m
- scheduled
- Distance
- 2,018 mi
Best airline from SFO to ANC
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 89% | 6 min | 0.0% | 290 |
| Alaska Airlines | 74% | 13 min | 0.0% | 341 |
Monthly on-time trend
Best time to fly from SFO to ANC
Aim for departures around 6 p.m. (87% on-time); avoid 11 a.m. departures (47%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 84% | 7 min |
| Tuesdaybest | 88% | 10 min |
| Wednesday | 82% | 11 min |
| Thursday | 76% | 12 min |
| Friday | 79% | 12 min |
| Saturday | 77% | 10 min |
| Sunday | 84% | 9 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft53%
- Airline operations23%
- National airspace system22%
- Weather2%
- Security1%
Frequently asked questions
- How often are flights from SFO to ANC delayed?
- 19% of SFO–ANC flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 10 minutes.
- Which airline is most reliable from SFO to ANC?
- United Airlines has the best on-time record on this route at 89%, based on 290 flights. 2 airlines flew SFO–ANC frequently enough to compare in this period.
- What is the best time of day to fly from SFO to ANC?
- Departures around 6 p.m. have the best record (87% on-time), while departures around 11 a.m. have the worst (47%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SFO to ANC?
- The scheduled SFO–ANC flight time averages 4h 52m over 2,018 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are SFO to ANC flights cancelled?
- 0% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What day of the week is most reliable for SFO to ANC?
- Tuesday flights have the best record at 88% on-time. Day-of-week differences on this route are meaningful — Thursday trails at 76%.
Explore related pages
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Related guides
Based on 631 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.