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

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

94.2% of 361 official scheduled BTM-to-SLC flights arrived on time; 4.2% 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
94.2%arrived on time
4.2%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 late2.5%all scheduled flights
120+ minutes late1.9%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival-13.0 mincompleted flights

Which departure time was most reliable for BTM to SLC?

Only Evening met the BTM-to-SLC departure window threshold: 94.9% of 332 scheduled flights arrived on time during July 2025–June 2026.

Departure windowFlightsOn time30+ minCancelled
Evening33294.9%3.6%0.6%

Which weekday was most reliable for BTM to SLC?

Among qualifying BTM-to-SLC weekday results, Monday had the highest on-time rate: 96.2% of 52 flights. Thursday was lowest at 91.8% across 49 flights.

DayFlightsOn time30+ minCancelled
Monday5296.2%1.9%1.9%
Tuesday5394.3%5.7%0.0%
Wednesday5194.1%3.9%2.0%
Thursday4991.8%6.1%0.0%
Friday5296.2%1.9%0.0%
Saturday5292.3%5.8%0.0%
Sunday5294.2%3.8%0.0%

Which airline was most reliable for BTM to SLC?

Only SkyWest Airlines met the BTM-to-SLC airline threshold: 94.2% of 361 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines36194.2%4.2%0.6%

Which month was most reliable for BTM to SLC?

Among qualifying BTM-to-SLC month results, August 2025 had the highest on-time rate: 100.0% of 31 flights. May 2026 was lowest at 87.1% across 31 flights.

MonthFlightsOn time30+ minCancelled
July 20253187.1%9.7%0.0%
August 202531100.0%0.0%0.0%
September 20253093.3%6.7%0.0%
October 20253196.8%3.2%0.0%
November 20252993.1%0.0%3.4%
December 20252993.1%6.9%0.0%
January 202630100.0%0.0%0.0%
February 20262896.4%3.6%0.0%
March 202631100.0%0.0%0.0%
April 20263090.0%3.3%3.3%
May 20263187.1%9.7%0.0%
June 20263093.3%6.7%0.0%

What drove BTM to SLC delay minutes?

Airline was the largest recorded BTM-to-SLC delay category, accounting for 77.2% of 3,598 BTS-attributed delay minutes during July 2025–June 2026.

Airline77.2%
Late aircraft0.0%
National airspace3.7%
Weather19.1%
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.