Missoula Montana in March 2025

83.3%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 March 2025, reporting carriers scheduled 299 domestic departures from Missoula Montana (MSO). 83.3% left less than 15 minutes late and 79.9% reached their destination on time; 0.0% were cancelled.

Nationally that month, 79.9% of flights departed on time and 79.3% arrived on time, so MSO departures were 3.4 points above the national departure figure.

A year earlier, in March 2024, the airport had 247 departures with 89.1% leaving on time: a change of −5.8 points, with flights up 21%.

Flights arriving at MSO that month were on time 80.3% of the time (299 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 41%, national aviation system 26% and air carrier 20%.

On time 79.9%
Arrived 15+ minutes late 19.7%
Cancelled 0.0%
Diverted 0.3%

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

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

Measure	Mar 2025	Mar 2024	MSO, 12 months to Jul 2026	All reported flights, Mar 2025
Departed on time	83.3%	89.1%	83.4%	79.9%
Arrived on time	79.9%	86.6%	82.1%	79.3%
Cancelled	0.0%	0.0%	0.7%	1.2%
Average departure delay (late minutes only)	10.2 min	8.4 min	14.8 min	14.9 min
Scheduled departures a day	10	8	14	20,029
Scheduled departures	299	247	5,003	600,872

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	86	29%	87.2%	-7.2 min	0.0%
DL Delta Air Lines	62	21%	96.8%	-12.7 min	0.0%
UA United Airlines	62	21%	88.7%	-5.4 min	0.0%
MQ Envoy Air	31	10%	54.8%	24.9 min	0.0%
G4 Allegiant Air	30	10%	43.3%	24.3 min	0.0%
AS Alaska Airlines	28	9%	67.9%	16.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MSO–SLC	Missoula to Salt Lake City	91	93.4%	-12.7 min	0.0%
MSO–DEN	Missoula to Denver	88	85.2%	-3.1 min	0.0%
MSO–DFW	Missoula to Dallas/Fort Worth	31	54.8%	24.9 min	0.0%
MSO–MSP	Missoula to Minneapolis	31	96.8%	-10.3 min	0.0%
MSO–SEA	Missoula to Seattle	28	67.9%	16.3 min	0.0%
MSO–AZA	Missoula to Phoenix	21	47.6%	21.7 min	0.0%
MSO–LAS	Missoula to Las Vegas	9	33.3%	30.3 min	0.0%

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), March 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2025	Minutes
Air carrier	19.9%	33.0%	599
Late-arriving aircraft	40.5%	39.2%	1,222
National Aviation System	25.8%	21.9%	779
Extreme weather	13.8%	5.9%	415
Security	0.0%	0.1%	0

3,015 delay minutes on 59 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 March 2025?

83.3% of 299 scheduled domestic departures left less than 15 minutes late, and 79.9% reached their destination on time. The national figures that month were 79.9% and 79.3%.

How does that compare with a year earlier?

In March 2024, 89.1% of 247 departures left on time and 0.0% were cancelled, against 83.3% and 0.0% in March 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for March 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.