BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
SLC→BTM

Salt Lake City, UT (SLC) to Butte, MT (BTM) flight delay odds

94.5% of 361 official scheduled SLC-to-BTM flights arrived on time; 2.2% arrived at least 30 minutes late and 0.6% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
94.5%arrived on time
2.2%30+ min late
0.6%cancelled
361scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late1.7%all scheduled flights
120+ minutes late0.3%all scheduled flights
Diverted0.8%did not reach as scheduled
Average arrival-11.2 mincompleted flights

Which departure time was most reliable for SLC to BTM?

Only Afternoon met the SLC-to-BTM departure window threshold: 94.5% of 361 scheduled flights arrived on time during July 2025–June 2026.

Departure windowFlightsOn time30+ minCancelled
Afternoon36194.5%2.2%0.6%

Which weekday was most reliable for SLC to BTM?

Among qualifying SLC-to-BTM weekday results, Friday had the highest on-time rate: 98.1% of 52 flights. Sunday was lowest at 92.3% across 52 flights.

DayFlightsOn time30+ minCancelled
Monday5296.2%1.9%1.9%
Tuesday5394.3%0.0%0.0%
Wednesday5194.1%3.9%2.0%
Thursday4993.9%4.1%0.0%
Friday5298.1%0.0%0.0%
Saturday5292.3%3.8%0.0%
Sunday5292.3%1.9%0.0%

Which airline was most reliable for SLC to BTM?

Only SkyWest Airlines met the SLC-to-BTM airline threshold: 94.5% of 361 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines36194.5%2.2%0.6%

Which month was most reliable for SLC to BTM?

Among qualifying SLC-to-BTM month results, August 2025 had the highest on-time rate: 100.0% of 31 flights. May 2026 was lowest at 83.9% across 31 flights.

MonthFlightsOn time30+ minCancelled
July 20253190.3%0.0%0.0%
August 202531100.0%0.0%0.0%
September 20253093.3%3.3%0.0%
October 20253196.8%3.2%0.0%
November 20252996.6%0.0%3.4%
December 20252996.6%0.0%0.0%
January 202630100.0%0.0%0.0%
February 20262896.4%3.6%0.0%
March 20263196.8%0.0%0.0%
April 20263090.0%6.7%3.3%
May 20263183.9%6.5%0.0%
June 20263093.3%3.3%0.0%

What drove SLC to BTM delay minutes?

Airline was the largest recorded SLC-to-BTM delay category, accounting for 83.4% of 841 BTS-attributed delay minutes during July 2025–June 2026.

Airline83.4%
Late aircraft0.0%
National airspace3.1%
Weather13.6%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.