Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → Los Angeles via Chicago: arrives on time 44%
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17:19 STL → 19:12 ORDAA 4537 · American, flown by Republic · 1h 53m · 79% on time, 8.3% cancelled
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3h 18m layover in Chicago (ORD) · 45 min minimum on one ticket
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22:30 ORD → 00:52 LAX +1 dayAA 1209 · American · 4h 22m · 53% on time, 5.1% cancelled
Total trip 9h 33m, scheduled departure to arrival (Los Angeles is 2 h behind St Louis). Times are local. Both flew on 56 of the last 56 days.
Makes the connection97%The first flight arrived more than 153 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 3h 18m layover.
Arrives on time44%First flight not cancelled (8.3% are) × connection made (97%) × second flight not cancelled (5.1% are) and within 15 minutes (53%).
Total trip9h 33mSTL 17:19 to LAX 00:52, 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.