Historical on-time performance
Spokane to Denver
Flights on GEG–DEN arrive on time 83% of the time over the last 12 months.
based on 1,844 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 minCancel0.0%Flights153
- United AirlinesOn-time84%Medianon timep9035 minCancel0.4%Flights833
- Southwest AirlinesOn-time82%Medianon timep9035 minCancel0.0%Flights858
Why flights run late
Delay causes
- Airline25%
- Weather6%
- Air traffic (NAS)38%
- Late aircraft31%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline67%
- Weather33%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. 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 GEG → DEN
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 93% on time.
- Mornings93% on time · p90 5 min · 2,234 flights
- Evenings79% on time · p90 55 min · 253 flights
- Middays79% on time · p90 35 min · 2,089 flights
- Afternoons73% on time · p90 55 min · 1,311 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 85% on time.
- Saturdays85% on time · p90 25 min · 845 flights
- Sundays85% on time · p90 25 min · 900 flights
- Wednesdays84% on time · p90 25 min · 806 flights
- Tuesdays82% on time · p90 30 min · 815 flights
- Mondays82% on time · p90 35 min · 824 flights
- Fridays81% on time · p90 40 min · 838 flights
- Thursdays80% on time · p90 35 min · 862 flights
Keep exploring