Historical on-time performance
Anchorage to San Francisco
2,018 miData through Dec 2025Source: US DOT · BTS
Flights on ANC–SFO arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 232 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Alaska AirlinesOn-time83%Medianon timep9025 minCancel0.0%Flights135
- United AirlinesOn-time80%Medianon timep9035 minCancel0.0%Flights97
Why flights run late
Delay causes
- Airline38%
- Weather0%
- Air traffic (NAS)16%
- Late aircraft45%
- Security1%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly ANC → SFO
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Middays are the most reliable time of day to fly this route — 84% on time.
- Middays84% on time · p90 25 min · 340 flights
- Afternoons77% on time · p90 35 min · 391 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 85% on time.
- Thursdays85% on time · p90 15 min · 103 flights · limited
- Wednesdays85% on time · p90 30 min · 100 flights · limited
- Saturdays82% on time · p90 20 min · 148 flights · limited
- Mondays80% on time · p90 30 min · 103 flights · limited
- Sundays79% on time · p90 35 min · 106 flights · limited
- Tuesdays79% on time · p90 30 min · 100 flights · limited
- Fridays77% on time · p90 30 min · 104 flights · limited
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