Missoula Montana in June 2024

78.1%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 June 2024, reporting carriers scheduled 508 domestic departures from Missoula Montana (MSO). 78.1% left less than 15 minutes late and 79.1% reached their destination on time; 0.6% were cancelled.

Nationally that month, 73.7% of flights departed on time and 73.9% arrived on time, so MSO departures were 4.4 points above the national departure figure.

Flights arriving at MSO that month were on time 74.8% of the time (508 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 54%, late-arriving aircraft 27% and national aviation system 15%.

On time 79.1%
Arrived 15+ minutes late 19.7%
Cancelled 0.6%
Diverted 0.6%

Every scheduled departure from MSO in June 2024, judged by arrival at the destination.

June 2024 against a year earlier, the airport's year and the nation

Measure	Jun 2024	Year earlier	MSO, 12 months to Jul 2026	All reported flights, Jun 2024
Departed on time	78.1%	—	83.4%	73.7%
Arrived on time	79.1%	—	82.1%	73.9%
Cancelled	0.6%	—	0.7%	1.3%
Average departure delay (late minutes only)	20.3 min	—	14.8 min	19.7 min
Scheduled departures a day	17	—	14	20,371
Scheduled departures	508	—	5,003	611,132

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
UA United Airlines	124	24%	81.5%	-5.1 min	1.6%
OO SkyWest Airlines	118	23%	83.1%	13.6 min	0.0%
DL Delta Air Lines	85	17%	94.1%	-8.9 min	0.0%
AA American Airlines	51	10%	82.4%	2.9 min	0.0%
G4 Allegiant Air	39	8%	53.8%	79.3 min	0.0%
MQ Envoy Air	35	7%	62.9%	14.7 min	2.9%
AS Alaska Airlines	30	6%	73.3%	8.9 min	0.0%
F9 Frontier Airlines	26	5%	61.5%	26.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MSO–DEN	Missoula to Denver	111	79.3%	-1.6 min	1.8%
MSO–SLC	Missoula to Salt Lake City	89	89.9%	9.5 min	0.0%
MSO–DFW	Missoula to Dallas/Fort Worth	60	73.3%	6.9 min	1.7%
MSO–ORD	Missoula to Chicago	56	73.2%	8.6 min	0.0%
MSO–MSP	Missoula to Minneapolis	55	92.7%	-8.7 min	0.0%
MSO–SEA	Missoula to Seattle	30	73.3%	8.9 min	0.0%
MSO–SFO	Missoula to San Francisco	30	76.7%	12.0 min	0.0%
MSO–LAX	Missoula to Los Angeles	26	88.5%	0.2 min	0.0%
MSO–AZA	Missoula to Phoenix	15	53.3%	21.4 min	0.0%
MSO–PHX	Missoula to Phoenix	9	88.9%	0.0 min	0.0%
MSO–LAS	Missoula to Las Vegas	8	50.0%	278.1 min	0.0%
MSO–OAK	Missoula to Oakland	8	62.5%	21.9 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), June 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2024	Minutes
Air carrier	53.9%	34.4%	4,911
Late-arriving aircraft	26.6%	41.5%	2,428
National Aviation System	14.6%	17.8%	1,331
Extreme weather	4.9%	6.0%	449
Security	0.0%	0.2%	0

9,119 delay minutes on 100 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 June 2024?

78.1% of 508 scheduled domestic departures left less than 15 minutes late, and 79.1% reached their destination on time. The national figures that month were 73.7% and 73.9%.

How does that compare with a year earlier?

June 2023 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2024; 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.