PlainFlights

Route · MSO → LAX · 2020–2025 BTS data

Missoula to Los Angeles

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MSO to LAX (Missoula to Los Angeles) ranks #4740 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

76%
On-time
-3 pts
vs US avg
68 min
Delay when late
682
Flights
#4740 of 4927
Corpus placement

Cancelled

1.0%

Best Month

Aug 2021 82%

Worst Month

Jul 2021 59%

Distance

923 mi

Carriers

5

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Aug 2025 31 8 0 0 OO
Jul 2025 31 5 0 0 OO
Aug 2024 31 3 0 0 OO
Jul 2024 31 10 0 0 OO
Sep 2023 30 0 0 0 OO
Aug 2023 35 4 0 0 G4,OO
Jul 2023 40 3 0 0 G4,OO
Jun 2023 39 8 0 0 G4,OO
Sep 2022 30 7 0 0 OO
Aug 2022 36 9 0 0 G4,OO
Jul 2022 40 13 0 0 OO,G4
Jun 2022 36 16 0 0 OO,G4
Aug 2021 55 10 1 0 OO,QX,G4
Jul 2021 76 31 0 0 OO,QX,G4
Jun 2021 70 18 5 0 OO,QX,G4
May 2021 41 7 1 0 OO,QX,G4
Apr 2021 30 12 0 0 QX

MSO–LAX seasonal on-time pattern

Best: September (88.3%) · weakest: April (60.0%)

50%60%70%80%90% AprMayJunJulAugSep 88.3%

Strongest calendar month

September

88.3% on-time · ~30 flights/mo

Busiest calendar month

June

~48 flights/mo avg

Weakest calendar month

April

60.0% on-time · ~30 flights/mo

Cancellation Rate

1.0%

7 of 682 flights

Diversion Rate

0.0%

0 of 682 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 profile

LAX - Los Angeles

Full on-time, delay-cause, and seasonal performance for Los Angeles, CA.

LAX on-time profile

Compare the two airports

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

Compare MSO vs LAX

Origin-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: Los Angeles · fleet on-time rank #4310 of 4927.

What the Data Says About MSO to LAX

The Missoula to Los Angeles corridor (MSO to LAX) posts a 76% on-time rate on the lower edge of the average band, based on 682 tracked flights. Late flights run 68.3 minutes behind on average. 5 carriers cover the 923-mile route; over the last 24 months, 7 of 682 flights were cancelled (1.0%) and 0.0% diverted.

The monthly split is wide on this route: Aug 2021 posted the strongest performance at 82% on-time, while Jul 2021 came in at just 59% - a 23-point swing worth factoring into travel timing.

On the multi-year calendar, MSO–LAX peaks in September at 88.3% on-time while June carries the heaviest traffic (~48 flights per month) ; the softest month is April at 60.0%, a 28.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does MSO to LAX rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, MSO to LAX ranks #4740 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 MSO to LAX? ▼
Flights from Missoula to Los Angeles have a 76% on-time rate based on 682 flights. The average delay is 68.3 minutes. The best recent month was Aug 2021 with 82% on-time.
What is the cancellation rate for MSO to LAX? ▼
Over the last 24 months, 1.0% of flights on this route were cancelled (7 of 682 flights) and 0.0% were diverted.
How far is the flight from MSO to LAX? ▼
The flight distance from Missoula (MSO) to Los Angeles (LAX) is approximately 923 miles. This route is served by 5 carriers.
When is the best time to fly from MSO to LAX? ▼
The best recent month for on-time performance was Aug 2021 (82% on-time). The worst was Jul 2021 (59% on-time). Consider booking during months with historically better performance.

Airports on this route

MSO Airport

Missoula
LAX Airport

Los Angeles
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–LAX data

MSO–LAX is mid-pack at 76% on-time; month and carrier mix move more than the corridor headline.

  • Compare MSO and LAX airport profiles: delay causes and top routes differ even on the same corridor. MSO airport
  • If your dates flex, September (88.3% on-time) beats April (60.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 76% 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.