Historical on-time performance
Spokane to Chicago
1,498 miData through Dec 2025Source: US DOT · BTS
Flights on GEG–ORD arrive on time 63% of the time over the last 12 months.
On-time rate63%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 412 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.
- SkyWest AirlinesOn-time67%Median5 minp9030 minCancel0.0%Flights231
- American AirlinesOn-time59%Medianon timep90100 minCancel0.0%Flights181
Why flights run late
Delay causes
- Airline47%
- Weather7%
- Air traffic (NAS)18%
- Late aircraft28%
- 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 GEG → ORD
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 58% to 88% on time.
- Overnights88% on time · p90 15 min · 246 flights
- Mornings84% on time · p90 20 min · 135 flights · limited
- Middays58% on time · p90 70 min · 397 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 65% to 79% on time.
- Thursdays79% on time · p90 25 min · 114 flights · limited
- Tuesdays78% on time · p90 30 min · 103 flights · limited
- Fridays74% on time · p90 30 min · 122 flights · limited
- Sundays72% on time · p90 70 min · 117 flights · limited
- Wednesdays70% on time · p90 75 min · 103 flights · limited
- Mondays67% on time · p90 50 min · 110 flights · limited
- Saturdays65% on time · p90 60 min · 109 flights · limited
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