Route · MSO → SFO · 2020–2025 BTS data
Missoula to San Francisco
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MSO to SFO (Missoula to San Francisco) ranks #4888 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 83.9%
- On-time
- +4.9 pts
- vs US avg
- 72 min
- Delay when late
- 523
- Flights
- #4888 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 | 1 | 0 | 0 | OO |
| Jul 2025 | 35 | 7 | 0 | 0 | OO |
| Jun 2025 | 31 | 4 | 0 | 0 | OO |
| Jul 2024 | 31 | 7 | 0 | 0 | OO |
| Jun 2024 | 30 | 7 | 0 | 0 | OO |
| Aug 2023 | 33 | 2 | 0 | 0 | OO |
| Jul 2023 | 36 | 2 | 0 | 0 | OO |
| Jun 2023 | 31 | 1 | 0 | 0 | OO |
| Aug 2022 | 35 | 3 | 0 | 0 | OO,QX |
| Jul 2022 | 36 | 3 | 0 | 0 | OO,QX |
| Jun 2022 | 30 | 2 | 0 | 0 | OO,QX |
| Sep 2021 | 31 | 5 | 0 | 0 | OO |
| Aug 2021 | 35 | 6 | 0 | 0 | OO,QX |
| Jul 2021 | 36 | 19 | 0 | 0 | OO,QX |
| Jun 2021 | 32 | 13 | 0 | 0 | OO,QX |
| Aug 2020 | 31 | 2 | 0 | 0 | OO |
Cancellation Rate
0.0%
0 of 523 flights
Diversion Rate
0.0%
0 of 523 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
MSO - Missoula
Full on-time, delay-cause, and seasonal performance for Missoula, MT.
MSO on-time profileSFO - San Francisco
Full on-time, delay-cause, and seasonal performance for San Francisco, CA.
SFO on-time profileCompare the two airports
See MSO and SFO side by side on delays, cancellations, and reliability.
Compare MSO vs SFOOrigin-hub reliability standing
Mid-pack among MSO departures
From MSO, this corridor sits with 6 other 75–85% on-time routes out of 8 tracked departures, not the hub's reliability leaders (2 at ≥85%) and not the softest ( 0 below 75%). Destination: San Francisco · fleet on-time rank #1624 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to MSO–SFO.
Routes with a similar on-time rate
What the Data Says About MSO to SFO
Bureau of Transportation Statistics records show Missoula to San Francisco (MSO to SFO) running a 83.9% on-time rate over 523 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 72.4 minutes. The 769-mile corridor is served by 2 carriers, and over the last 24 months 0.0% of 523 flights were cancelled, 0.0% 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, MSO–SFO peaks in August at 91.5% on-time while July carries the heaviest traffic (~35 flights per month) ; the softest month is July at 78.2%, a 13.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does MSO to SFO rank among US routes by traffic? ▼
How often are flights delayed from MSO to SFO? ▼
What is the cancellation rate for MSO to SFO? ▼
How far is the flight from MSO to SFO? ▼
Airports on this route
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 MSO–SFO data
MSO–SFO runs 4.9 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare MSO and SFO airport profiles: delay causes and top routes differ even on the same corridor. MSO airport
- If your dates flex, August (91.5% on-time) beats July (78.2%) on this corridor. Seasonal chart
- 4 other routes post a similar 83.9% 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.
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.