Salt Lake City (SLC) to West Yellowstone (WYS): On-Time Performance
Data through July 2026
Salt Lake City (SLC) to West Yellowstone (WYS) is a thinner route than most in this dataset — 148 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
- 6 min
- completed flights
- Cancelled
- 0.2%
- Flights/day
- 0.41
- last 12 months
- Duration
- 1h 13m
- scheduled
- Distance
- 273 mi
Monthly on-time trend
Best time to fly from SLC to WYS
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 88% | 8 min |
| Tuesday | 89% | 5 min |
| Wednesday | 85% | 11 min |
| Thursday | 88% | 8 min |
| Friday | 90% | 6 min |
| Saturday | 92% | 3 min |
| Sundaybest | 93% | 3 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Airline operations90%
- National airspace system9%
- Weather1%
Frequently asked questions
- How often are flights from SLC to WYS delayed?
- 11% of SLC–WYS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 6 minutes.
- How long is the flight from SLC to WYS?
- The scheduled SLC–WYS flight time averages 1h 13m over 273 miles. Actual arrival times vary — flights on this route land 15+ minutes late 11% of the time.
- How often are SLC to WYS flights cancelled?
- 0.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What day of the week is most reliable for SLC to WYS?
- Sunday flights have the best record at 93% on-time. Day-of-week differences on this route are meaningful — Wednesday trails at 85%.
Explore related pages
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Related guides
Based on 420 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.