Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → Houston via Denver: arrives on time 54%
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16:48 STL → 18:23 DENUA 1483 · United · 2h 35m · 56% on time, 0.0% cancelled
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2h 47m layover in Denver (DEN) · 45 min minimum on one ticket
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21:10 DEN → 00:41 IAH +1 dayUA 1253 · United · 2h 31m · 67% on time, 1.8% cancelled
Total trip 7h 53m, scheduled departure to arrival. Times are local. Both flew on 41 of the last 56 days.
Makes the connection82%The first flight arrived more than 122 minutes late on 18% of the days it flew: too late for the 45-minute minimum connection on a 2h 47m layover.
Arrives on time54%First flight not cancelled (0.0% are) × connection made (82%) × second flight not cancelled (1.8% are) and within 15 minutes (67%).
Total trip7h 53mSTL 16:48 to IAH 00:41, 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.