Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Seattle → Santa Rosa via Portland: arrives on time 89%
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07:30 SEA → 08:39 PDXDL 3953 · Delta, flown by SkyWest · 1h 09m · 94% on time, 0.3% cancelled
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2h 06m layover in Portland (PDX) · 90 min minimum on separate tickets
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10:45 PDX → 12:26 STSAS 2330 · Alaska, flown by Horizon · 1h 41m · 92% on time, 0.0% cancelled
Total trip 4h 56m, scheduled departure to arrival. Times are local. Both flew on 52 of the last 56 days.
Makes the connection97%The first flight arrived more than 36 minutes late on 3% of the days it flew: too late for the 90-minute minimum connection on a 2h 06m layover.
Arrives on time89%First flight not cancelled (0.3% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (92%).
Total trip4h 56mSEA 07:30 to STS 12:26, layover included
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.