Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Denver → Tulsa via Houston: arrives on time 81%
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15:35 DEN → 19:10 IAHUA 489 · United · 2h 35m · 78% on time, 0.0% cancelled
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2h 32m layover in Houston (IAH) · 45 min minimum on one ticket
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21:42 IAH → 23:15 TULUA 6179 · United, flown by Mesa · 1h 33m · 85% on time, 1.0% cancelled
Total trip 6h 40m, scheduled departure to arrival (Tulsa is 1 h ahead of Denver). Times are local. Both flew on 47 of the last 56 days.
Makes the connection96%The first flight arrived more than 107 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 2h 32m layover.
Arrives on time81%First flight not cancelled (0.0% are) × connection made (96%) × second flight not cancelled (1.0% are) and within 15 minutes (85%).
Total trip6h 40mDEN 15:35 to TUL 23:15, 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.