Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → Sacramento via San Francisco: arrives on time 23%
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19:23 STL → 21:43 SFOUA 2482 · United · 4h 20m · 26% on time, 0.0% cancelled
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1h 11m layover in San Francisco (SFO) · 45 min minimum on one ticket
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22:54 SFO → 23:59 SMFUA 1302 · United · 1h 05m · 59% on time, 0.0% cancelled
Total trip 6h 36m, scheduled departure to arrival (Sacramento is 2 h behind St Louis). Times are local. Both flew on 49 of the last 56 days.
Makes the connection40%The first flight arrived more than 26 minutes late on 60% of the days it flew: too late for the 45-minute minimum connection on a 1h 11m layover.
Arrives on time23%First flight not cancelled (0.0% are) × connection made (40%) × second flight not cancelled (0.0% are) and within 15 minutes (59%).
Total trip6h 36mSTL 19:23 to SMF 23:59, 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.