Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Seattle → San Diego via Denver: arrives on time 85%
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07:50 SEA → 11:25 DENWN 3397 · Southwest · 2h 35m · 93% on time, 0.0% cancelled
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2h 05m layover in Denver (DEN) · 90 min minimum on separate tickets
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13:30 DEN → 14:55 SANUA 1302 · United · 2h 25m · 87% on time, 0.9% cancelled
Total trip 7h 05m, scheduled departure to arrival. Times are local. Both flew on 39 of the last 56 days.
Makes the connection98%The first flight arrived more than 35 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 2h 05m layover.
Arrives on time85%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (0.9% are) and within 15 minutes (87%).
Total trip7h 05mSEA 07:50 to SAN 14:55, 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.