Missoula Montana in November 2025

89.5%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In November 2025, reporting carriers scheduled 323 domestic departures from Missoula Montana (MSO). 89.5% left less than 15 minutes late and 84.5% reached their destination on time; 3.7% were cancelled.

Nationally that month, 78.1% of flights departed on time and 77.3% arrived on time, so MSO departures were 11.4 points above the national departure figure.

A year earlier, in November 2024, the airport had 289 departures with 90.0% leaving on time: a change of −0.5 points, with flights up 12%.

Flights arriving at MSO that month were on time 83.3% of the time (324 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, national aviation system 38%, air carrier 33% and late-arriving aircraft 15%.

On time 84.5%
Arrived 15+ minutes late 11.5%
Cancelled 3.7%
Diverted 0.3%

Every scheduled departure from MSO in November 2025, judged by arrival at the destination.

November 2025 against a year earlier, the airport's year and the nation

Measure	Nov 2025	Nov 2024	MSO, 12 months to Jul 2026	All reported flights, Nov 2025
Departed on time	89.5%	90.0%	83.4%	78.1%
Arrived on time	84.5%	82.4%	82.1%	77.3%
Cancelled	3.7%	0.3%	0.7%	2.5%
Average departure delay (late minutes only)	5.5 min	10.7 min	14.8 min	15.6 min
Scheduled departures a day	11	10	14	19,018
Scheduled departures	323	289	5,003	570,550

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	87	27%	82.8%	-10.4 min	9.2%
DL Delta Air Lines	60	19%	88.3%	1.5 min	0.0%
AS Alaska Airlines	59	18%	78.0%	4.3 min	3.4%
UA United Airlines	59	18%	94.9%	-7.8 min	0.0%
MQ Envoy Air	29	9%	89.7%	-11.4 min	0.0%
G4 Allegiant Air	26	8%	65.4%	8.5 min	7.7%
F9 Frontier Airlines	3	1%	100.0%	-17.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MSO–DEN	Missoula to Denver	91	89.0%	-6.1 min	2.2%
MSO–SLC	Missoula to Salt Lake City	88	86.4%	-6.3 min	6.8%
MSO–SEA	Missoula to Seattle	59	78.0%	4.3 min	3.4%
MSO–MSP	Missoula to Minneapolis	30	90.0%	-6.3 min	0.0%
MSO–DFW	Missoula to Dallas/Fort Worth	29	89.7%	-11.4 min	0.0%
MSO–AZA	Missoula to Phoenix	15	73.3%	3.3 min	0.0%
MSO–LAS	Missoula to Las Vegas	11	54.5%	17.2 min	18.2%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), November 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2025	Minutes
Air carrier	32.5%	30.2%	693
Late-arriving aircraft	14.9%	38.3%	318
National Aviation System	38.2%	26.7%	815
Extreme weather	14.4%	4.6%	308
Security	0.0%	0.1%	0

2,134 delay minutes on 37 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left MSO on time in November 2025?

89.5% of 323 scheduled domestic departures left less than 15 minutes late, and 84.5% reached their destination on time. The national figures that month were 78.1% and 77.3%.

How does that compare with a year earlier?

In November 2024, 90.0% of 289 departures left on time and 0.3% were cancelled, against 89.5% and 3.7% in November 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for November 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for MSO · methodology · corrections.