Historical on-time performance
Salt Lake City to Billings
Flights on SLC–BIL arrive on time 89% of the time over the last 12 months.
based on 1,046 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 minCancel0.6%Flights708
- Delta Air LinesOn-time82%Medianon timep9040 minCancel0.3%Flights338
Why flights run late
Delay causes
- Airline72%
- Weather12%
- Air traffic (NAS)3%
- 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 5 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 → BIL
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 84% to 95% on time.
- Middays95% on time · p90 on time · 164 flights · limited
- Mornings94% on time · p90 5 min · 932 flights
- Afternoons88% on time · p90 15 min · 963 flights
- Overnights84% on time · p90 30 min · 1,092 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 87% to 92% on time.
- Tuesdays92% on time · p90 10 min · 458 flights
- Saturdays91% on time · p90 10 min · 397 flights
- Wednesdays89% on time · p90 15 min · 458 flights
- Mondays87% on time · p90 25 min · 461 flights
- Thursdays87% on time · p90 20 min · 460 flights
- Fridays87% on time · p90 20 min · 463 flights
- Sundays87% on time · p90 15 min · 454 flights
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