Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Bozeman via Denver: arrives on time 83%
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06:30 IAH → 08:06 DENF9 3229 · Frontier · 2h 36m · 88% on time, 0.6% cancelled
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3h 26m layover in Denver (DEN) · 90 min minimum on separate tickets
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11:32 DEN → 13:20 BZNUA 1248 · United · 1h 48m · 86% on time, 0.0% cancelled
Total trip 7h 50m, scheduled departure to arrival (Bozeman is 1 h behind Houston). Times are local. Both flew on 37 of the last 56 days.
Makes the connection97%The first flight arrived more than 116 minutes late on 3% of the days it flew: too late for the 90-minute minimum connection on a 3h 26m layover.
Arrives on time83%First flight not cancelled (0.6% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (86%).
Total trip7h 50mIAH 06:30 to BZN 13:20, 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.