Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → Jacksonville via Houston: arrives on time 76%
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08:35 STL → 10:52 IAHUA 4028 · United, flown by Mesa · 2h 17m · 84% on time, 2.2% cancelled
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1h 18m layover in Houston (IAH) · 45 min minimum on one ticket
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12:10 IAH → 15:37 JAXUA 4048 · United, flown by Mesa · 2h 27m · 83% on time, 0.0% cancelled
Total trip 6h 02m, scheduled departure to arrival (Jacksonville is 1 h ahead of St Louis). Times are local. Both flew on 5 of the last 56 days, too few to list among the best connections.
Makes the connection94%The first flight arrived more than 33 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 1h 18m layover.
Arrives on time76%First flight not cancelled (2.2% are) × connection made (94%) × second flight not cancelled (0.0% are) and within 15 minutes (83%).
Total trip6h 02mSTL 08:35 to JAX 15:37, 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.