Historical on-time performance
Salt Lake City to Butte
358 miData through Dec 2025Source: US DOT · BTS
Flights on SLC–BTM arrive on time 96% of the time over the last 12 months.
On-time rate96%arrived within 15 min
p90 delayon time1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 183 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time96%Medianon timep90on timeCancel0.0%Flights183
Why flights run late
Delay causes
- Airline85%
- Weather13%
- Air traffic (NAS)3%
- Late aircraft0%
- 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 → BTM
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 90% to 97% on time.
- Overnights97% on time · p90 on time · 102 flights · limited
- Middays94% on time · p90 5 min · 221 flights
- Evenings92% on time · p90 10 min · 115 flights · limited
- Afternoons90% on time · p90 10 min · 896 flights
- Mornings90% on time · p90 10 min · 376 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 87% to 94% on time.
- Wednesdays94% on time · p90 5 min · 260 flights
- Sundays94% on time · p90 5 min · 259 flights
- Saturdays93% on time · p90 5 min · 243 flights
- Fridays92% on time · p90 10 min · 260 flights
- Tuesdays90% on time · p90 10 min · 171 flights · limited
- Thursdays88% on time · p90 15 min · 257 flights
- Mondays87% on time · p90 15 min · 260 flights
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