Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → Los Angeles via Chicago: arrives on time 29%
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17:59 STL → 19:30 ORDUA 1639 · United · 1h 31m · 66% on time, 5.6% cancelled
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48m layover in Chicago (ORD) · 45 min minimum on one ticket
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20:18 ORD → 22:55 LAXUA 2499 · United · 4h 37m · 58% 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 53 of the last 56 days.
Makes the connection53%The first flight arrived more than 3 minutes late on 47% of the days it flew: too late for the 45-minute minimum connection on a 48m layover.
Arrives on time29%First flight not cancelled (5.6% are) × connection made (53%) × second flight not cancelled (0.6% are) and within 15 minutes (58%).
Total trip6h 56mSTL 17:59 to LAX 22:55, 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.