FlightRecord

Missoula (MSO) to Phoenix (AZA): On-Time Performance

Data through May 2026

Missoula (MSO) to Phoenix (AZA) is a thinner route than most in this dataset — 136 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 67% arrived on time, noticeably below the national average of 78%.

On-time
67%
arrived <15 min late
Avg delay
27 min
completed flights
Cancelled
0.3%
Flights/day
0.37
last 12 months
Duration
2h 32m
scheduled
Distance
948 mi

Monthly on-time trend

Monthly on-time percentage for MSO to AZA flights50%75%100%June 2024: 53% on-time (15 flights)53Jun 2024July 2024: 53% on-time (17 flights)53August 2024: 44% on-time (9 flights)44September 2024: 56% on-time (9 flights)56Sep 2024October 2024: 85% on-time (13 flights)85November 2024: 79% on-time (14 flights)79December 2024: 68% on-time (20 flights)68Dec 2024January 2025: 62% on-time (13 flights)62February 2025: 40% on-time (10 flights)40March 2025: 48% on-time (21 flights)48Mar 2025April 2025: 69% on-time (16 flights)69May 2025: 60% on-time (10 flights)60June 2025: 90% on-time (10 flights)90Jun 2025July 2025: 92% on-time (12 flights)92August 2025: 78% on-time (9 flights)78September 2025: 83% on-time (6 flights)83Sep 2025October 2025: 54% on-time (13 flights)54November 2025: 73% on-time (15 flights)73December 2025: 44% on-time (16 flights)44Dec 2025January 2026: 82% on-time (11 flights)82February 2026: 89% on-time (9 flights)89March 2026: 86% on-time (14 flights)86Mar 2026April 2026: 67% on-time (12 flights)67May 2026: 89% on-time (9 flights)89

Best time to fly from MSO to AZA

Aim for departures around 12 p.m. (89% on-time); avoid 4 p.m. departures (55%).

On-time percentage by scheduled departure hour, MSO to AZA11 a.m.: 86% on-time (28 flights)1112 p.m.: 89% on-time (36 flights)121 p.m.: 64% on-time (44 flights)133 p.m.: 73% on-time (22 flights)154 p.m.: 55% on-time (38 flights)165 p.m.: 50% on-time (28 flights)176 p.m.: 39% on-time (26 flights)187 p.m.: 81% on-time (38 flights)19scheduled departure hour

By day of week

DayOn-timeAvg delay
Mondaybest86%24 min
Tuesday77%23 min
Wednesday50%41 min
Thursday63%19 min
Friday0%105 min
Saturday52%73 min
Sunday74%19 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft54%
  • Airline operations23%
  • National airspace system17%
  • Weather6%

Frequently asked questions

How often are flights from MSO to AZA delayed?
33% of MSO–AZA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 27 minutes.
What is the best time of day to fly from MSO to AZA?
Departures around 12 p.m. have the best record (89% on-time), while departures around 4 p.m. have the worst (55%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from MSO to AZA?
The scheduled MSO–AZA flight time averages 2h 32m over 948 miles. Actual arrival times vary — flights on this route land 15+ minutes late 33% of the time.
How often are MSO to AZA flights cancelled?
0.3% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.

Based on 303 flights, 2024-062026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.