Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → San Diego via Denver: arrives on time 83%
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05:45 STL → 07:00 DENWN 3909 · Southwest · 2h 15m · 91% on time, 0.0% cancelled
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1h 15m layover in Denver (DEN) · 45 min minimum on one ticket
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08:15 DEN → 09:40 SANWN 1699 · Southwest · 2h 25m · 86% on time, 0.0% cancelled
Total trip 5h 55m, scheduled departure to arrival (San Diego is 2 h behind St Louis). Times are local. Both flew on 56 of the last 56 days.
Makes the connection97%The first flight arrived more than 30 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 1h 15m layover.
Arrives on time83%First flight not cancelled (0.0% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (86%).
Total trip5h 55mSTL 05:45 to SAN 09:40, 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.