FlightRecord

West Yellowstone (WYS) to Salt Lake City (SLC): On-Time Performance

Data through July 2026

West Yellowstone (WYS) to Salt Lake City (SLC) 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
9 min
completed flights
Cancelled
0.7%
Flights/day
0.41
last 12 months
Duration
1h 12m
scheduled
Distance
273 mi

Monthly on-time trend

Monthly on-time percentage for WYS to SLC flights50%75%100%July 2024: 79% on-time (62 flights)79Jul 2024August 2024: 92% on-time (62 flights)92September 2024: 94% on-time (52 flights)94October 2024: 100% on-time (15 flights)100Oct 2024May 2025: 100% on-time (14 flights)100June 2025: 94% on-time (31 flights)94July 2025: 86% on-time (36 flights)86Jul 2025August 2025: 89% on-time (36 flights)89September 2025: 100% on-time (31 flights)100May 2026: 83% on-time (13 flights)83May 2026June 2026: 88% on-time (34 flights)88July 2026: 91% on-time (34 flights)91

Best time to fly from WYS to SLC

On-time percentage by scheduled departure hour, WYS to SLC11 a.m.: 96% on-time (29 flights)1112 p.m.: 93% on-time (29 flights)121 p.m.: 91% on-time (161 flights)133 p.m.: 89% on-time (200 flights)15scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday86%7 min
Tuesday91%7 min
Wednesday89%11 min
Thursday84%22 min
Friday93%10 min
Saturdaybest95%4 min
Sunday92%7 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Airline operations54%
  • National airspace system4%
  • Weather42%

Frequently asked questions

How often are flights from WYS to SLC delayed?
10% of WYS–SLC 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 9 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 10% of the time.
How often are WYS to SLC flights cancelled?
0.7% 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 WYS to SLC?
Saturday flights have the best record at 95% on-time. Day-of-week differences on this route are meaningful — Thursday trails at 84%.

Based on 420 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.