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

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

Historically, 90.0% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,059 flights.

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

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

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

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

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%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

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

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

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 reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

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.