Flights Missoula → Portland
MSO → PDX
Route overview
The flight route from Missoula to Portland operates with an average on-time performance of 84%, experiencing a mean delay of 9.8 minutes per flight. Over the course of a year, this route sees 89 flights using the De Havilland Canada DHC-8-400 Dash 8Q aircraft, serving a destination airport that handles approximately 18,563,132 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 Missoula (MSO) → Portland (PDX) route is operated by Alaska Airlines. Across 102 flights monitored in recent months, 84% arrived on time (within 15 min of schedule), with an average delay of 9 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 Portland the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Missoula the average ATFM delay is 2.0 minutes.
Heading to Portland: what to expect in this direction
Flying from Missoula (MSO) to Portland (PDX) heads west for about 670 km, a flight time of roughly 1h 15m.
Departures from Missoula on this leg cluster in the morning window: about 100% of MSO-PDX flights take off then.
Air-traffic congestion: departing Missoula the average ATFM delay is 2.0 min (airspace/NAS (BTS)); arriving into Portland it is 2.0 min (atfm).
Across 102 tracked MSO-PDX flights, 84% left on time with an average delay of 9 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 MSO-PDX
Airports
Frequently asked questions about MSO-PDX
On the Missoula (MSO) -> Portland (PDX) route, on-time performance is 84% with an average delay of 9 minutes, based on 102 tracked flights.
The cancellation rate on Missoula-Portland 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 Portland, 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.
