Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → San Francisco via Denver: arrives on time 47%
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09:06 STL → 10:30 DENUA 2459 · United · 2h 24m · 92% on time, 0.0% cancelled
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1h 55m layover in Denver (DEN) · 45 min minimum on one ticket
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12:25 DEN → 14:09 SFOUA 1450 · United · 2h 44m · 48% on time, 0.0% cancelled
Total trip 7h 03m, scheduled departure to arrival (San Francisco is 2 h behind St Louis). Times are local. Both flew on 27 of the last 56 days.
Makes the connection97%The first flight arrived more than 70 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 1h 55m layover.
Arrives on time47%First flight not cancelled (0.0% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (48%).
Total trip7h 03mSTL 09:06 to SFO 14:09, 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.