Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → San Diego via San Francisco: arrives on time 19%
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19:23 STL → 21:43 SFOUA 2482 · United · 4h 20m · 26% on time, 0.0% cancelled
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59m layover in San Francisco (SFO) · 45 min minimum on one ticket
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22:42 SFO → 00:31 SAN +1 dayUA 2142 · United · 1h 49m · 73% on time, 0.0% cancelled
Total trip 7h 08m, scheduled departure to arrival (San Diego is 2 h behind St Louis). Times are local. Both flew on 43 of the last 56 days.
Makes the connection26%The first flight arrived more than 14 minutes late on 74% of the days it flew: too late for the 45-minute minimum connection on a 59m layover.
Arrives on time19%First flight not cancelled (0.0% are) × connection made (26%) × second flight not cancelled (0.0% are) and within 15 minutes (73%).
Total trip7h 08mSTL 19:23 to SAN 00:31, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.