FlightRecord

Butte (BTM) to Salt Lake City (SLC): On-Time Performance

Data through July 2026

Butte (BTM) to Salt Lake City (SLC) is a thinner route than most in this dataset — 361 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 95% arrived on time, comfortably above the national average of 78%.

On-time
95%
arrived <15 min late
Avg delay
8 min
completed flights
Cancelled
0.4%
Flights/day
0.99
last 12 months
Duration
1h 23m
scheduled
Distance
357 mi

Monthly on-time trend

Monthly on-time percentage for BTM to SLC flights50%75%100%August 2024: 97% on-time (62 flights)97Aug 2024September 2024: 95% on-time (58 flights)95October 2024: 100% on-time (57 flights)100November 2024: 93% on-time (56 flights)93Nov 2024December 2024: 95% on-time (58 flights)95January 2025: 93% on-time (29 flights)93February 2025: 96% on-time (24 flights)96Feb 2025March 2025: 89% on-time (26 flights)89April 2025: 96% on-time (26 flights)96May 2025: 100% on-time (30 flights)100May 2025June 2025: 97% on-time (30 flights)97July 2025: 87% on-time (31 flights)87August 2025: 100% on-time (31 flights)100Aug 2025September 2025: 93% on-time (30 flights)93October 2025: 97% on-time (31 flights)97November 2025: 96% on-time (29 flights)96Nov 2025December 2025: 93% on-time (29 flights)93January 2026: 100% on-time (30 flights)100February 2026: 96% on-time (28 flights)96Feb 2026March 2026: 100% on-time (31 flights)100April 2026: 93% on-time (30 flights)93May 2026: 87% on-time (31 flights)87May 2026June 2026: 93% on-time (30 flights)93July 2026: 87% on-time (31 flights)87

Best time to fly from BTM to SLC

Aim for departures around 5 p.m. (98% on-time); avoid 3 p.m. departures (88%).

On-time percentage by scheduled departure hour, BTM to SLC11 a.m.: 92% on-time (180 flights)113 p.m.: 88% on-time (34 flights)155 p.m.: 98% on-time (46 flights)176 p.m.: 95% on-time (649 flights)18scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday96%2 min
Tuesday93%32 min
Wednesday96%2 min
Thursday92%12 min
Fridaybest97%4 min
Saturday93%4 min
Sunday96%5 min

What causes delays on this route

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

  • Airline operations84%
  • National airspace system3%
  • Weather13%

Frequently asked questions

How often are flights from BTM to SLC delayed?
5% of BTM–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 8 minutes.
What is the best time of day to fly from BTM to SLC?
Departures around 5 p.m. have the best record (98% on-time), while departures around 3 p.m. have the worst (88%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from BTM to SLC?
The scheduled BTM–SLC flight time averages 1h 23m over 357 miles. Actual arrival times vary — flights on this route land 15+ minutes late 5% of the time.
How often are BTM to SLC flights cancelled?
0.4% 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 BTM to SLC?
Friday flights have the best record at 97% on-time. Day-of-week differences on this route are modest.

Based on 910 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.