Missoula (MSO) to Las Vegas (LAS): On-Time Performance
Data through May 2026
Missoula (MSO) to Las Vegas (LAS) is a thinner route than most in this dataset — 114 departures over the past year, roughly 2 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 69% arrived on time, noticeably below the national average of 78%.
- On-time
- 69%
- arrived <15 min late
- Avg delay
- 54 min
- completed flights
- Cancelled
- 0.9%
- Flights/day
- 0.31
- last 12 months
- Duration
- 2h 14m
- scheduled
- Distance
- 750 mi
Monthly on-time trend
Best time to fly from MSO to LAS
Aim for departures around 9 p.m. (69% on-time); avoid 4 p.m. departures (63%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 68% | 65 min |
| Tuesday | 0% | 136 min |
| Wednesday | 83% | 6 min |
| Thursday | 56% | 27 min |
| Friday | 67% | 54 min |
| Saturday | 50% | 24 min |
| Sundaybest | 100% | 1 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft38%
- Airline operations41%
- National airspace system17%
- Weather4%
- Security1%
Frequently asked questions
- How often are flights from MSO to LAS delayed?
- 31% of MSO–LAS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 54 minutes.
- What is the best time of day to fly from MSO to LAS?
- Departures around 9 p.m. have the best record (69% on-time), while departures around 4 p.m. have the worst (63%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MSO to LAS?
- The scheduled MSO–LAS flight time averages 2h 14m over 750 miles. Actual arrival times vary — flights on this route land 15+ minutes late 31% of the time.
- How often are MSO to LAS flights cancelled?
- 0.9% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
Explore related pages
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Based on 230 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.