Historical on-time performance
San Francisco to Hailey
587 miData through Dec 2025Source: US DOT · BTS
Flights on SFO–SUN arrive on time 85% of the time over the last 12 months.
On-time rate85%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled0.9%of scheduled flights
based on 218 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time85%Medianon timep9020 minCancel0.9%Flights218
Why flights run late
Delay causes
- Airline49%
- Weather15%
- Air traffic (NAS)15%
- Late aircraft21%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SFO → SUN
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 76% to 86% on time.
- Evenings86% on time · p90 25 min · 311 flights
- Mornings84% on time · p90 15 min · 88 flights · limited
- Middays76% on time · p90 45 min · 272 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 88% on time.
- Saturdays88% on time · p90 15 min · 154 flights · limited
- Wednesdays87% on time · p90 20 min · 75 flights · limited
- Thursdays84% on time · p90 25 min · 119 flights · limited
- Sundays80% on time · p90 45 min · 82 flights · limited
- Tuesdays79% on time · p90 70 min · 75 flights · limited
- Fridays76% on time · p90 40 min · 123 flights · limited
- Mondays76% on time · p90 40 min · 80 flights · limited
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