Historical on-time performance
Salt Lake City to Missoula
436 miData through Dec 2025Source: US DOT · BTS
Flights on SLC–MSO arrive on time 89% of the time over the last 12 months.
On-time rate89%arrived within 15 min
p90 delay10 min1 in 10 flights is worse (tail risk)
Cancelled0.8%of scheduled flights
based on 979 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesbestOn-time92%Medianon timep905 minCancel1.1%Flights702
- Delta Air LinesOn-time82%Medianon timep9035 minCancel0.0%Flights277
Why flights run late
Delay causes
- Airline59%
- Weather7%
- Air traffic (NAS)19%
- Late aircraft15%
- 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 SLC → MSO
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 84% to 93% on time.
- Mornings93% on time · p90 5 min · 742 flights
- Middays92% on time · p90 5 min · 349 flights
- Afternoons91% on time · p90 5 min · 997 flights
- Overnights84% on time · p90 25 min · 1,086 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 88% to 91% on time.
- Thursdays91% on time · p90 10 min · 458 flights
- Mondays90% on time · p90 10 min · 467 flights
- Fridays90% on time · p90 10 min · 460 flights
- Saturdays89% on time · p90 15 min · 414 flights
- Wednesdays88% on time · p90 15 min · 460 flights
- Sundays88% on time · p90 20 min · 454 flights
- Tuesdays88% on time · p90 15 min · 461 flights
Advertisement
Keep exploring