Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Seattle via Denver: arrives on time 73%
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05:10 SFO → 08:40 DENWN 1424 · Southwest · 2h 30m · 96% on time, 0.0% cancelled
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1h 25m layover in Denver (DEN) · 45 min minimum on one ticket
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10:05 DEN → 12:05 SEAWN 3051 · Southwest · 3h 00m · 76% on time, 0.0% cancelled
Total trip 6h 55m, scheduled departure to arrival. Times are local. Both flew on 40 of the last 56 days.
Makes the connection96%The first flight arrived more than 40 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 25m layover.
Arrives on time73%First flight not cancelled (0.0% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (76%).
Total trip6h 55mSFO 05:10 to SEA 12:05, 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.