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Route · SFO → MSO · 2020–2025 BTS data

San Francisco to Missoula

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SFO to MSO (San Francisco to Missoula) ranks #4894 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

82.2%
On-time
+3.2 pts
vs US avg
62 min
Delay when late
522
Flights
#4894 of 4927
Corpus placement

Cancelled

0.0%

Best Month

N/A

Worst Month

N/A

Distance

769 mi

Carriers

2

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Aug 2025 30 3 0 0 OO
Jul 2025 35 7 0 0 OO
Jun 2025 31 3 0 0 OO
Jul 2024 31 4 0 0 OO
Jun 2024 30 6 0 0 OO
Aug 2023 33 3 0 0 OO
Jul 2023 36 10 0 0 OO
Jun 2023 31 6 0 1 OO
Aug 2022 35 6 0 0 OO,QX
Jul 2022 36 2 0 0 OO,QX
Jun 2022 30 2 0 0 OO,QX
Sep 2021 31 10 0 0 OO
Aug 2021 35 10 0 0 OO,QX
Jul 2021 36 11 0 0 OO,QX
Jun 2021 32 8 0 0 OO,QX
Aug 2020 30 2 0 0 OO

Cancellation Rate

0.0%

0 of 522 flights

Diversion Rate

0.2%

1 of 522 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

SFO - San Francisco

Full on-time, delay-cause, and seasonal performance for San Francisco, CA.

SFO on-time profile

MSO - Missoula

Full on-time, delay-cause, and seasonal performance for Missoula, MT.

MSO on-time profile

Compare the two airports

See SFO and MSO side by side on delays, cancellations, and reliability.

Compare SFO vs MSO

Origin-hub reliability standing

Mid-pack among SFO departures

From SFO, this corridor sits with 50 other 75–85% on-time routes out of 73 tracked departures, not the hub's reliability leaders (20 at ≥85%) and not the softest ( 3 below 75%). Destination: Missoula · fleet on-time rank #2285 of 4927.

What the Data Says About SFO to MSO

Bureau of Transportation Statistics records show San Francisco to Missoula (SFO to MSO) running a 82.2% on-time rate over 522 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 62.2 minutes. The 769-mile corridor is served by 2 carriers, and over the last 24 months 0.0% of 522 flights were cancelled, 0.2% diverted.

Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.

On the multi-year calendar, SFO–MSO peaks in August at 85.3% on-time while July carries the heaviest traffic (~35 flights per month) ; the softest month is September at 67.7%, a 17.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SFO to MSO rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SFO to MSO ranks #4894 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from SFO to MSO? ▼
Flights from San Francisco to Missoula have a 82.2% on-time rate based on 522 flights. The average delay is 62.2 minutes.
What is the cancellation rate for SFO to MSO? ▼
Over the last 24 months, 0.0% of flights on this route were cancelled (0 of 522 flights) and 0.2% were diverted.
How far is the flight from SFO to MSO? ▼
The flight distance from San Francisco (SFO) to Missoula (MSO) is approximately 769 miles. This route is served by 2 carriers.

Airports on this route

SFO Airport

San Francisco
MSO Airport

Missoula
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using SFO–MSO data

SFO–MSO runs 3.2 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare SFO and MSO airport profiles: delay causes and top routes differ even on the same corridor. SFO airport
  • If your dates flex, August (85.3% on-time) beats September (67.7%) on this corridor. Seasonal chart
  • 4 other routes post a similar 82.2% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.