On-Time Report

Airports › Missoula (MSO) › May 2024

Airport month · May 2024

Missoula Montana in May 2024

83.7%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 May 2024, reporting carriers scheduled 363 domestic departures from Missoula Montana (MSO). 83.7% left less than 15 minutes late and 79.9% reached their destination on time; 0.6% were cancelled.

Nationally that month, 73.4% of flights departed on time and 72.3% arrived on time, so MSO departures were 10.3 points above the national departure figure.

Flights arriving at MSO that month were on time 74.7% of the time (364 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 44%, national aviation system 36% and air carrier 14%.

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

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

MeasureMay 2024Year earlierMSO, 12 months to Jul 2026All reported flights, May 2024
Departed on time83.7%—83.4%73.4%
Arrived on time79.9%—82.1%72.3%
Cancelled0.6%—0.7%1.4%
Average departure delay (late minutes only)11.7 min—14.8 min20.8 min
Scheduled departures a day12—1420,325
Scheduled departures363—5,003609,743

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
OO SkyWest Airlines8323%81.9%0.9 min0.0%
UA United Airlines8022%83.8%1.4 min0.0%
DL Delta Air Lines6217%88.7%-1.5 min0.0%
MQ Envoy Air5615%66.1%17.5 min1.8%
AS Alaska Airlines298%75.9%0.9 min0.0%
G4 Allegiant Air277%85.2%-1.1 min0.0%
F9 Frontier Airlines267%69.2%17.1 min3.8%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
MSO–DENMissoula to Denver10577.1%7.8 min1.0%
MSO–SLCMissoula to Salt Lake City8887.5%-4.8 min0.0%
MSO–DFWMissoula to Dallas/Fort Worth5666.1%17.5 min1.8%
MSO–MSPMissoula to Minneapolis3190.3%0.3 min0.0%
MSO–SEAMissoula to Seattle2975.9%0.9 min0.0%
MSO–AZAMissoula to Phoenix10100.0%-8.3 min0.0%
MSO–LASMissoula to Las Vegas977.8%-0.3 min0.0%
MSO–ORDMissoula to Chicago966.7%14.8 min0.0%
MSO–PHXMissoula to Phoenix988.9%-1.7 min0.0%
MSO–SFOMissoula to San Francisco988.9%0.6 min0.0%
MSO–SNAMissoula to Santa Ana580.0%2.6 min0.0%
MSO–OAKMissoula to Oakland366.7%14.3 min0.0%

By scheduled departure hour

On-time share:under 62%6270768288% and over
Share of departures that left less than 15 minutes late, by scheduled hour (local time), May 2024.

Delay causes

BTS cause categoryShare of delay minutesNational, May 2024Minutes
Air carrier14.3%29.8%616
Late-arriving aircraft43.5%43.0%1,871
National Aviation System36.3%20.1%1,564
Extreme weather5.9%7.0%253
Security0.0%0.1%0
4,304 delay minutes on 69 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← April 2024June 2024 →

Questions and answers

How many flights left MSO on time in May 2024?

83.7% of 363 scheduled domestic departures left less than 15 minutes late, and 79.9% reached their destination on time. The national figures that month were 73.4% and 72.3%.

How does that compare with a year earlier?

May 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 May 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.