Historical on-time performance
Missoula to Salt Lake City
Flights on MSO–SLC arrive on time 89% of the time over the last 12 months.
based on 1,012 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-time91%Medianon timep905 minCancel1.4%Flights570
- Delta Air LinesOn-time88%Medianon timep9015 minCancel0.5%Flights442
Why flights run late
Delay causes
- Airline68%
- Weather14%
- Air traffic (NAS)5%
- Late aircraft13%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline20%
- Weather20%
- Air traffic (NAS)60%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 10 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 MSO → 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 86% to 91% on time.
- Middays91% on time · p90 5 min · 1,082 flights
- Evenings89% on time · p90 15 min · 997 flights
- Mornings86% on time · p90 20 min · 1,091 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 86% to 92% on time.
- Mondays92% on time · p90 5 min · 465 flights
- Tuesdays90% on time · p90 10 min · 460 flights
- Sundays89% on time · p90 15 min · 455 flights
- Fridays89% on time · p90 15 min · 463 flights
- Thursdays88% on time · p90 15 min · 460 flights
- Wednesdays88% on time · p90 15 min · 457 flights
- Saturdays86% on time · p90 15 min · 418 flights
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