Historical on-time performance
Spokane to San Jose
742 miData through Dec 2025Source: US DOT · BTS
Flights on GEG–SJC arrive on time 84% of the time over the last 12 months.
On-time rate84%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 122 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time84%Medianon timep9020 minCancel0.0%Flights122
Why flights run late
Delay causes
- Airline41%
- Weather0%
- Air traffic (NAS)5%
- Late aircraft55%
- Security0%
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 GEG → SJC
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 96% on time.
- Mornings96% on time · p90 on time · 51 flights · limited
- Middays88% on time · p90 15 min · 874 flights
- Afternoons79% on time · p90 25 min · 133 flights · limited
- Evenings73% on time · p90 35 min · 123 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 84% to 88% on time.
- Tuesdays88% on time · p90 15 min · 170 flights · limited
- Wednesdays87% on time · p90 25 min · 167 flights · limited
- Fridays87% on time · p90 20 min · 193 flights · limited
- Saturdays86% on time · p90 20 min · 119 flights · limited
- Sundays85% on time · p90 20 min · 155 flights · limited
- Thursdays84% on time · p90 20 min · 187 flights · limited
- Mondays84% on time · p90 30 min · 190 flights · limited
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