Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Portland → Missoula via Seattle: arrives on time 64%
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06:19 PDX → 07:17 SEAAS 499 · Alaska · 58m · 93% on time, 1.0% cancelled
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48m layover in Seattle (SEA) · 45 min minimum on one ticket
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08:05 SEA → 10:42 MSOAS 3101 · Alaska, flown by SkyWest · 1h 37m · 88% on time, 0.0% cancelled
Total trip 3h 23m, scheduled departure to arrival (Missoula is 1 h ahead of Portland). Times are local. Both flew on 52 of the last 56 days.
Makes the connection73%The first flight arrived more than 3 minutes late on 27% of the days it flew: too late for the 45-minute minimum connection on a 48m layover.
Arrives on time64%First flight not cancelled (1.0% are) × connection made (73%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip3h 23mPDX 06:19 to MSO 10:42, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.