Historical on-time performance
Salt Lake City to Great Falls
463 miData through May 2026Source: US DOT · BTS
Flights on SLC–GTF arrive on time 92% of the time over the last 12 months.
On-time rate92%arrived within 15 min
p90 delay5 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights
based on 1,071 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time92%Medianon timep905 minCancel0.7%Flights1,071
Why flights run late
Delay causes
- Airline67%
- Weather26%
- Air traffic (NAS)7%
- Late aircraft0%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather50%
- Air traffic (NAS)50%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 8 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 SLC → GTF
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 — 97% on time.
- Mornings97% on time · p90 on time · 638 flights
- Overnights94% on time · p90 5 min · 1,091 flights
- Middays94% on time · p90 5 min · 456 flights
- Afternoons88% on time · p90 20 min · 941 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 92% to 94% on time.
- Wednesdays94% on time · p90 on time · 455 flights
- Tuesdays94% on time · p90 on time · 457 flights
- Saturdays93% on time · p90 5 min · 389 flights
- Fridays93% on time · p90 5 min · 461 flights
- Thursdays93% on time · p90 5 min · 456 flights
- Sundays92% on time · p90 5 min · 450 flights
- Mondays92% on time · p90 5 min · 459 flights
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