Historical on-time performance
Idaho Falls to Salt Lake City
Flights on IDA–SLC arrive on time 92% of the time over the last 12 months.
based on 1,077 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-time93%Medianon timep905 minCancel0.1%Flights862
- Delta Air LinesOn-time89%Medianon timep9015 minCancel0.5%Flights215
Why flights run late
Delay causes
- Airline77%
- Weather15%
- Air traffic (NAS)5%
- Late aircraft3%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline50%
- Weather0%
- Air traffic (NAS)50%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 2 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 IDA → SLC
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 89% to 95% on time.
- Afternoons95% on time · p90 on time · 120 flights · limited
- Middays92% on time · p90 5 min · 1,091 flights
- Mornings90% on time · p90 10 min · 1,098 flights
- Evenings89% on time · p90 15 min · 966 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 90% to 91% on time.
- Tuesdays91% on time · p90 10 min · 474 flights
- Fridays91% on time · p90 10 min · 483 flights
- Sundays91% on time · p90 10 min · 471 flights
- Wednesdays90% on time · p90 10 min · 473 flights
- Saturdays90% on time · p90 15 min · 418 flights
- Thursdays90% on time · p90 15 min · 478 flights
- Mondays90% on time · p90 15 min · 478 flights
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