Missoula (MSO) to Portland (PDX)
Flight time
≈ 1h 38m
Bearing
260° W
Missoula (MSO) to Portland (PDX) is 416 miles (670 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies MSO–PDX
Filed traffic dataIn May 2026, Horizon Air operated the most departures, one of 2 carriers flying nonstop MSO–PDX; the Embraer E175 was the most common aircraft at 100% of departures; flights ran 88% full.
Departures
61
May 2026
Seats
4,636
both directions
Passengers
4,067
both directions
Load factor
87.7%
RPM ÷ ASM
Who flies MSO–PDX?
Horizon Air operated the most nonstop MSO–PDX departures in May 2026 (49), one of 2 carriers on the route.
- QX
49 departures · 3,724 seats
Share of departures80.3%89.5%
Load
- OO
12 departures · 912 seats
Share of departures19.7%80.5%
Load
What plane flies MSO–PDX?
In May 2026, the Embraer E175 flew 100% of MSO–PDX departures.
- Embraer E175
61 departures · 87.7% load
100.0%
How has MSO–PDX traffic changed?
Nonstop MSO–PDX departures fell from 120 in June 2025 to 61 in May 2026.
Monthly nonstop MSO–PDX traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
120 departures · 6,695 passengers
73.4%
Load
July 2025
122 departures · 7,233 passengers
78.0%
Load
August 2025
124 departures · 7,408 passengers
78.6%
Load
September 2025
96 departures · 5,764 passengers
79.0%
Load
October 2025
112 departures · 6,963 passengers
81.8%
Load
November 2025
120 departures · 6,777 passengers
72.7%
Load
December 2025
112 departures · 7,053 passengers
82.9%
Load
January 2026
72 departures · 4,531 passengers
82.8%
Load
February 2026
56 departures · 3,563 passengers
83.7%
Load
March 2026
64 departures · 4,163 passengers
85.6%
Load
April 2026
60 departures · 3,984 passengers
87.4%
Load
May 2026
61 departures · 4,067 passengers
87.7%
Load
By direction
Each direction is filed separately — they rarely match.
PDX → MSO
85.7% full
31 departures · 2,020 passengers
MSO → PDX
89.8% full
30 departures · 2,047 passengers
Nonstop MSO–PDX traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Missoula (MSO) from Portland (PDX)?
MSO to PDX is 416 miles (670 km / 362 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from MSO to PDX?
A nonstop covers the 416-mile great-circle distance in roughly 1h 38m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies MSO–PDX?
In May 2026, the Embraer E175 flew the largest share of departures (100.0%).
What mileage do I earn flying MSO–PDX?
Distance-based programs credit off the 416-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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