Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → Los Angeles via San Francisco: arrives on time 15%
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19:23 STL → 21:43 SFOUA 2482 · United · 4h 20m · 26% on time, 0.0% cancelled
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54m layover in San Francisco (SFO) · 45 min minimum on one ticket
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22:37 SFO → 00:19 LAX +1 dayUA 2179 · United · 1h 42m · 72% on time, 0.6% cancelled
Total trip 6h 56m, scheduled departure to arrival (Los Angeles is 2 h behind St Louis). Times are local. Both flew on 55 of the last 56 days.
Makes the connection21%The first flight arrived more than 9 minutes late on 79% of the days it flew: too late for the 45-minute minimum connection on a 54m layover.
Arrives on time15%First flight not cancelled (0.0% are) × connection made (21%) × second flight not cancelled (0.6% are) and within 15 minutes (72%).
Total trip6h 56mSTL 19:23 to LAX 00:19, 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.