Historical on-time performance
San Francisco to Spokane
Flights on SFO–GEG arrive on time 78% of the time over the last 12 months.
based on 795 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time78%Medianon timep9040 minCancel0.4%Flights795
Why flights run late
Delay causes
- Airline25%
- Weather10%
- Air traffic (NAS)35%
- Late aircraft31%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline0%
- Weather33%
- Air traffic (NAS)67%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 3 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SFO → GEG
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 75% to 87% on time.
- Mornings87% on time · p90 20 min · 263 flights
- Evenings84% on time · p90 25 min · 378 flights
- Afternoons83% on time · p90 25 min · 311 flights
- Middays80% on time · p90 40 min · 762 flights
- Overnights75% on time · p90 50 min · 459 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 84% on time.
- Tuesdays84% on time · p90 30 min · 310 flights
- Saturdays83% on time · p90 30 min · 283 flights
- Wednesdays82% on time · p90 25 min · 308 flights
- Mondays82% on time · p90 45 min · 318 flights
- Sundays81% on time · p90 30 min · 324 flights
- Thursdays80% on time · p90 35 min · 317 flights
- Fridays73% on time · p90 45 min · 313 flights
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