Flights Portland → Missoula
PDX → MSO
Route overview
The flight route from Portland to Missoula operates with high punctuality, boasting a 93% on-time performance rate and an average delay of just 0.9 minutes. Over the course of a year, this route sees approximately 89 flights using the De Havilland Canada DHC-8-400 Dash 8Q aircraft, serving a destination airport that accommodates nearly 907,508 passengers annually.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Portland (PDX) → Missoula (MSO) route is operated by Alaska Airlines. Across 102 flights monitored in recent months, 90% arrived on time (within 15 min of schedule), with an average delay of 2 minutes. The cancellation rate is 0.98%. FlightGuard's average computed risk is 9.9/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Missoula the average ATFM delay is 2.0 minutes (main cause: airspace/NAS (BTS)). Departing from Portland the average ATFM delay is 2.0 minutes.
Heading to Missoula: what to expect in this direction
Flying from Portland (PDX) to Missoula (MSO) heads east for about 670 km, a flight time of roughly 1h 15m.
Departures from Portland on this leg cluster in the overnight window: about 87% of PDX-MSO flights take off then.
Air-traffic congestion: departing Portland the average ATFM delay is 2.0 min (atfm); arriving into Missoula it is 2.0 min (airspace/NAS (BTS)).
Across 102 tracked PDX-MSO flights, 90% left on time with an average delay of 2 min and a 1.0% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Alaska Airlines (AS) | 67% | 10 min | 11.9% |
Airlines operating PDX-MSO
Airports
Frequently asked questions about PDX-MSO
On the Portland (PDX) -> Missoula (MSO) route, on-time performance is 90% with an average delay of 2 minutes, based on 102 tracked flights.
The cancellation rate on Portland-Missoula is 0.98% across 102 monitored flights.
The route is operated by 1 airline: Alaska Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Missoula, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
