Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → San Francisco via Denver: arrives on time 65%
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05:10 STL → 06:32 DENUA 362 · United · 2h 22m · 91% on time, 1.4% cancelled
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1h 08m layover in Denver (DEN) · 45 min minimum on one ticket
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07:40 DEN → 09:18 SFOUA 2391 · United · 2h 38m · 71% on time, 0.6% cancelled
Total trip 6h 08m, scheduled departure to arrival (San Francisco is 2 h behind St Louis). Times are local. Both flew on 55 of the last 56 days.
Makes the connection93%The first flight arrived more than 23 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 1h 08m layover.
Arrives on time65%First flight not cancelled (1.4% are) × connection made (93%) × second flight not cancelled (0.6% are) and within 15 minutes (71%).
Total trip6h 08mSTL 05:10 to SFO 09:18, 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.