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

Missoula, MT (MSO) to Salt Lake City, UT (SLC) flight delay odds

90.0% of 1,059 official scheduled MSO-to-SLC flights arrived on time; 4.8% arrived at least 30 minutes late and 0.9% 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
90.0%arrived on time
4.8%30+ min late
0.9%cancelled
1,059scheduled 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 late1.4%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival-4.6 mincompleted flights

Which departure time was most reliable for MSO to SLC?

Among qualifying MSO-to-SLC departure window results, Evening had the highest on-time rate: 90.3% of 340 flights. Afternoon was lowest at 89.4% across 359 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning36090.3%5.6%0.3%
Afternoon35989.4%3.9%2.2%
Evening34090.3%5.0%0.3%

Which weekday was most reliable for MSO to SLC?

Among qualifying MSO-to-SLC weekday results, Monday had the highest on-time rate: 94.9% of 156 flights. Wednesday was lowest at 84.8% across 151 flights.

DayFlightsOn time30+ minCancelled
Monday15694.9%2.6%0.0%
Tuesday15791.7%5.7%0.0%
Wednesday15184.8%7.3%2.0%
Thursday15088.7%5.3%0.7%
Friday15189.4%6.0%1.3%
Saturday14388.1%2.8%1.4%
Sunday15192.1%4.0%1.3%

Which airline was most reliable for MSO to SLC?

Among qualifying MSO-to-SLC airline results, SkyWest Airlines had the highest on-time rate: 90.5% of 592 flights. Delta Air Lines was lowest at 89.3% across 467 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines59290.5%3.7%1.4%
Delta Air Lines46789.3%6.2%0.4%

Which month was most reliable for MSO to SLC?

Among qualifying MSO-to-SLC month results, June 2026 had the highest on-time rate: 98.9% of 90 flights. March 2026 was lowest at 81.5% across 92 flights.

MonthFlightsOn time30+ minCancelled
July 20259287.0%4.3%0.0%
August 20259390.3%5.4%0.0%
September 20257498.6%1.4%0.0%
October 20259293.5%4.3%0.0%
November 20258886.4%3.4%6.8%
December 20259088.9%4.4%2.2%
January 20268789.7%4.6%0.0%
February 20267889.7%7.7%0.0%
March 20269281.5%9.8%2.2%
April 20269084.4%10.0%0.0%
May 20269392.5%2.2%0.0%
June 20269098.9%0.0%0.0%

What drove MSO to SLC delay minutes?

Airline was the largest recorded MSO-to-SLC delay category, accounting for 57.4% of 7,987 BTS-attributed delay minutes during July 2025–June 2026.

Airline57.4%
Late aircraft17.9%
National airspace6.0%
Weather18.7%
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.