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

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

87.6% of 1,059 official scheduled SLC-to-MSO flights arrived on time; 6.8% 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
87.6%arrived on time
6.8%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 late3.2%all scheduled flights
120+ minutes late1.1%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival-0.0 mincompleted flights

Which departure time was most reliable for SLC to MSO?

Among qualifying SLC-to-MSO departure window results, Late morning had the highest on-time rate: 90.5% of 359 flights. Night was lowest at 82.4% across 358 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning35990.5%4.5%2.2%
Afternoon34290.1%4.1%0.3%
Night35882.4%11.7%0.3%

Which weekday was most reliable for SLC to MSO?

Among qualifying SLC-to-MSO weekday results, Saturday had the highest on-time rate: 90.9% of 143 flights. Wednesday was lowest at 77.5% across 151 flights.

DayFlightsOn time30+ minCancelled
Monday15688.5%9.0%0.0%
Tuesday15690.4%7.7%0.0%
Wednesday15177.5%12.6%2.0%
Thursday15090.7%4.7%0.7%
Friday15186.8%4.0%1.3%
Saturday14390.9%4.2%2.1%
Sunday15288.8%5.3%0.7%

Which airline was most reliable for SLC to MSO?

Among qualifying SLC-to-MSO airline results, SkyWest Airlines had the highest on-time rate: 90.9% of 592 flights. Delta Air Lines was lowest at 83.5% across 467 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines59290.9%3.4%1.4%
Delta Air Lines46783.5%11.1%0.4%

Which month was most reliable for SLC to MSO?

Among qualifying SLC-to-MSO month results, June 2026 had the highest on-time rate: 96.7% of 90 flights. March 2026 was lowest at 80.4% across 92 flights.

MonthFlightsOn time30+ minCancelled
July 20259285.9%9.8%0.0%
August 20259390.3%6.5%0.0%
September 20257487.8%6.8%0.0%
October 20259292.4%3.3%0.0%
November 20258884.1%4.5%6.8%
December 20259088.9%3.3%2.2%
January 20268786.2%9.2%0.0%
February 20267885.9%9.0%0.0%
March 20269280.4%9.8%2.2%
April 20269081.1%12.2%0.0%
May 20269391.4%5.4%0.0%
June 20269096.7%2.2%0.0%

What drove SLC to MSO delay minutes?

Airline was the largest recorded SLC-to-MSO delay category, accounting for 68.5% of 8,964 BTS-attributed delay minutes during July 2025–June 2026.

Airline68.5%
Late aircraft9.2%
National airspace6.8%
Weather15.4%
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.