Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → Las Vegas via San Francisco: arrives on time 26%
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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 16m layover in San Francisco (SFO) · 45 min minimum on one ticket
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22:59 SFO → 00:46 LAS +1 dayUA 2839 · United · 1h 47m · 59% on time, 1.4% cancelled
Total trip 7h 23m, scheduled departure to arrival (Las Vegas is 2 h behind St Louis). Times are local. Both flew on 55 of the last 56 days.
Makes the connection44%The first flight arrived more than 31 minutes late on 56% of the days it flew: too late for the 45-minute minimum connection on a 1h 16m layover.
Arrives on time26%First flight not cancelled (0.0% are) × connection made (44%) × second flight not cancelled (1.4% are) and within 15 minutes (59%).
Total trip7h 23mSTL 19:23 to LAS 00:46, 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.