Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → San Diego via Denver: arrives on time 69%
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13:38 STL → 15:00 DENUA 1380 · United · 2h 22m · 86% on time, 0.8% cancelled
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55m layover in Denver (DEN) · 45 min minimum on one ticket
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15:55 DEN → 17:20 SANUA 1281 · United · 2h 25m · 85% on time, 0.3% cancelled
Total trip 5h 42m, scheduled departure to arrival (San Diego is 2 h behind St Louis). Times are local. Both flew on 55 of the last 56 days.
Makes the connection81%The first flight arrived more than 10 minutes late on 19% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time69%First flight not cancelled (0.8% are) × connection made (81%) × second flight not cancelled (0.3% are) and within 15 minutes (85%).
Total trip5h 42mSTL 13:38 to SAN 17:20, 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.