Historical on-time performance
Denver to Lewiston
768 miData through Dec 2025Source: US DOT · BTS
Flights on DEN–LWS arrive on time 68% of the time over the last 12 months.
On-time rate68%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 31 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time68%Medianon timep9025 minCancel0.0%Flights31
Why flights run late
Delay causes
- Airline64%
- Weather0%
- Air traffic (NAS)15%
- Late aircraft21%
- 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 DEN → LWS
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Overnights are the most reliable time of day to fly this route — 86% on time.
- Overnights86% on time · p90 20 min · 293 flights
- Middays80% on time · p90 40 min · 455 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 78% to 90% on time.
- Tuesdays90% on time · p90 20 min · 109 flights · limited
- Sundays83% on time · p90 25 min · 109 flights · limited
- Thursdays83% on time · p90 25 min · 109 flights · limited
- Wednesdays83% on time · p90 30 min · 109 flights · limited
- Fridays80% on time · p90 45 min · 109 flights · limited
- Saturdays80% on time · p90 40 min · 108 flights · limited
- Mondays78% on time · p90 35 min · 109 flights · limited
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