SLC to BTM flight delays & on-time performance
Nonstop flights from Salt Lake City International Airport to Bert Mooney Airport · 357 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SLC or BTM right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Salt Lake City (SLC) to Butte (BTM) arrived on time 96% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.6% were cancelled, and 2% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 3pm did best (96% on time); around 1pm did worst (93%).
- Friday was the most reliable day to fly (100% on time) and Sunday the least (92%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (81%).
Which airline is most on time from SLC to BTM?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 96% | 0.6% | 3 min | 2.0% | 361 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 1pm93%29 flights
- 3pm96%332 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday98%1.9% cancelled
- Tuesday96%0.0% cancelled
- Wednesday94%2.0% cancelled
- Thursday96%0.0% cancelled
- Friday100%0.0% cancelled
- Saturday92%0.0% cancelled
- Sunday92%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)81%
- Extreme weather16%
- Air traffic control & airport congestion4%
- Late-arriving aircraft0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather50%
- Air traffic control & airport congestion50%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
SLC to BTM: common questions
- How often are SLC to BTM flights on time?
- 96% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Salt Lake City to Butte cancelled?
- 0.6% of scheduled flights were cancelled (2 of 361).
- How long are typical delays?
- Across all flights the average arrival delay was 3 min (early arrivals count as zero). Flights that were late arrived 60 min behind schedule on average, and 2.0% of flights were an hour or more late.
- How long is taxi time at SLC?
- Flights on this route spent 19 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BTM to SLC — 95% on time
More flights from Salt Lake City
More flights to Butte
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SLC → BTM, nonstop flights by US airlines that report to the DOT. How we calculate this.