West Yellowstone (WYS) to Salt Lake City (SLC): On-Time Performance
Data through May 2026
West Yellowstone (WYS) to Salt Lake City (SLC) is a thinner route than most in this dataset — 147 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 90% arrived on time, comfortably above the national average of 78%.
- On-time
- 90%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 0.40
- last 12 months
- Duration
- 1h 12m
- scheduled
- Distance
- 273 mi
Monthly on-time trend
Best time to fly from WYS to SLC
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 83% | 31 min |
| Tuesday | 88% | 11 min |
| Wednesday | 89% | 11 min |
| Thursday | 82% | 23 min |
| Fridaybest | 95% | 9 min |
| Saturday | 94% | 12 min |
| Sunday | 93% | 5 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Airline operations48%
- National airspace system3%
- Weather49%
Frequently asked questions
- How often are flights from WYS to SLC delayed?
- 11% of WYS–SLC flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 15 minutes.
- How long is the flight from WYS to SLC?
- The scheduled WYS–SLC flight time averages 1h 12m over 273 miles. Actual arrival times vary — flights on this route land 15+ minutes late 11% of the time.
- How often are WYS to SLC flights cancelled?
- 1.2% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What day of the week is most reliable for WYS to SLC?
- Friday flights have the best record at 95% on-time. Day-of-week differences on this route are meaningful — Thursday trails at 82%.
Explore related pages
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Related guides
Based on 404 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.