Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → Chicago via Houston: arrives on time 75%
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06:14 STL → 08:31 IAHUA 6283 · United, flown by Mesa · 2h 17m · 85% on time, 0.0% cancelled
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1h 04m layover in Houston (IAH) · 45 min minimum on one ticket
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09:35 IAH → 12:29 ORDUA 2124 · United · 2h 54m · 86% on time, 0.3% cancelled
Total trip 6h 15m, scheduled departure to arrival. Times are local. Both flew on 54 of the last 56 days.
Makes the connection88%The first flight arrived more than 19 minutes late on 12% of the days it flew: too late for the 45-minute minimum connection on a 1h 04m layover.
Arrives on time75%First flight not cancelled (0.0% are) × connection made (88%) × second flight not cancelled (0.3% are) and within 15 minutes (86%).
Total trip6h 15mSTL 06:14 to ORD 12:29, 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.