Historical on-time performance
Denver to Idaho Falls
Flights on DEN–IDA arrive on time 78% of the time over the last 12 months.
based on 1,662 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- United AirlinesOn-time80%Medianon timep9040 minCancel0.0%Flights92
- SkyWest AirlinesOn-time78%Medianon timep9050 minCancel0.8%Flights1,570
Why flights run late
Delay causes
- Airline38%
- Weather7%
- Air traffic (NAS)21%
- Late aircraft34%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather83%
- Air traffic (NAS)17%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 12 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 DEN → IDA
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 — 86% on time.
- Mornings86% on time · p90 20 min · 726 flights
- Middays82% on time · p90 45 min · 1,339 flights
- Afternoons79% on time · p90 45 min · 823 flights
- Evenings73% on time · p90 60 min · 984 flights
- Overnights69% on time · p90 80 min · 200 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 82% on time.
- Wednesdays82% on time · p90 30 min · 568 flights
- Saturdays82% on time · p90 50 min · 568 flights
- Tuesdays81% on time · p90 40 min · 556 flights
- Mondays80% on time · p90 40 min · 590 flights
- Sundays79% on time · p90 55 min · 610 flights
- Fridays77% on time · p90 50 min · 585 flights
- Thursdays75% on time · p90 50 min · 599 flights
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