Historical on-time performance
Denver to Idaho Falls
458 miData through Dec 2025Source: US DOT · BTS
Flights on DEN–IDA arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled1.0%of scheduled flights
based on 1,727 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time76%Medianon timep9055 minCancel1.0%Flights1,727
Why flights run late
Delay causes
- Airline32%
- Weather13%
- Air traffic (NAS)18%
- Late aircraft37%
- 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 DEN → IDA
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 — 87% on time.
- Mornings87% on time · p90 15 min · 577 flights
- Middays82% on time · p90 40 min · 1,198 flights
- Afternoons79% on time · p90 45 min · 866 flights
- Evenings74% on time · p90 65 min · 985 flights
- Overnights68% on time · p90 80 min · 195 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 82% on time.
- Saturdays82% on time · p90 45 min · 528 flights
- Wednesdays80% on time · p90 35 min · 538 flights
- Tuesdays80% on time · p90 45 min · 525 flights
- Mondays79% on time · p90 40 min · 558 flights
- Sundays78% on time · p90 60 min · 573 flights
- Fridays78% on time · p90 45 min · 545 flights
- Thursdays75% on time · p90 45 min · 558 flights
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