Historical on-time performance
Portland to Spokane
Flights on PDX–GEG arrive on time 84% of the time over the last 12 months.
based on 820 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-time86%Medianon timep9020 minCancel0.3%Flights363
- Alaska AirlinesOn-time83%Medianon timep9025 minCancel1.5%Flights457
Why flights run late
Delay causes
- Airline36%
- Weather6%
- Air traffic (NAS)15%
- Late aircraft43%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline75%
- Weather13%
- Air traffic (NAS)13%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 8 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 PDX → 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 82% to 88% on time.
- Evenings88% on time · p90 15 min · 122 flights · limited
- Afternoons86% on time · p90 20 min · 415 flights
- Overnights84% on time · p90 20 min · 438 flights
- Mornings82% on time · p90 40 min · 201 flights
- Middays82% on time · p90 25 min · 601 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 88% on time.
- Wednesdays88% on time · p90 15 min · 254 flights
- Mondays86% on time · p90 20 min · 264 flights
- Saturdays86% on time · p90 20 min · 214 flights
- Tuesdays86% on time · p90 20 min · 249 flights
- Sundays82% on time · p90 25 min · 276 flights
- Thursdays80% on time · p90 30 min · 255 flights
- Fridays79% on time · p90 35 min · 265 flights
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