Historical on-time performance
Phoenix to Spokane
1,020 miData through Dec 2025Source: US DOT · BTS
Flights on PHX–GEG arrive on time 79% of the time over the last 12 months.
On-time rate79%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.1%of scheduled flights
based on 1,106 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.
- American AirlinesOn-time77%Medianon timep9055 minCancel0.0%Flights516
- Southwest AirlinesOn-time80%Medianon timep9030 minCancel0.2%Flights590
Why flights run late
Delay causes
- Airline39%
- Weather1%
- Air traffic (NAS)7%
- Late aircraft53%
- 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 PHX → GEG
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 — 92% on time.
- Mornings92% on time · p90 10 min · 372 flights
- Afternoons80% on time · p90 25 min · 326 flights
- Middays79% on time · p90 35 min · 1,606 flights
- Overnights72% on time · p90 60 min · 804 flights
- Evenings71% on time · p90 45 min · 136 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 83% on time.
- Wednesdays83% on time · p90 25 min · 437 flights
- Tuesdays81% on time · p90 40 min · 433 flights
- Saturdays80% on time · p90 30 min · 478 flights
- Sundays80% on time · p90 35 min · 521 flights
- Thursdays77% on time · p90 40 min · 463 flights
- Fridays75% on time · p90 45 min · 459 flights
- Mondays74% on time · p90 45 min · 453 flights
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