Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Newark via Denver: arrives on time 76%
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06:30 IAH → 08:06 DENF9 3229 · Frontier · 2h 36m · 88% on time, 0.6% cancelled
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1h 56m layover in Denver (DEN) · 90 min minimum on separate tickets
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10:02 DEN → 16:00 EWRUA 1423 · United · 3h 58m · 85% on time, 1.4% cancelled
Total trip 8h 30m, scheduled departure to arrival (Newark is 1 h ahead of Houston). Times are local. Both flew on 37 of the last 56 days.
Makes the connection92%The first flight arrived more than 26 minutes late on 8% of the days it flew: too late for the 90-minute minimum connection on a 1h 56m layover.
Arrives on time76%First flight not cancelled (0.6% are) × connection made (92%) × second flight not cancelled (1.4% are) and within 15 minutes (85%).
Total trip8h 30mIAH 06:30 to EWR 16:00, 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.