Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Chattanooga via Detroit: arrives on time 72%
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13:58 IAH → 17:59 DTWUA 6131 · United, flown by Mesa · 3h 01m · 89% on time, 0.0% cancelled
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2h 11m layover in Detroit (DTW) · 90 min minimum on separate tickets
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20:10 DTW → 22:02 CHADL 4894 · Delta, flown by Endeavor · 1h 52m · 78% on time, 0.8% cancelled
Total trip 7h 04m, scheduled departure to arrival (Chattanooga is 1 h ahead of Houston). Times are local. Both flew on 48 of the last 56 days.
Makes the connection94%The first flight arrived more than 41 minutes late on 6% of the days it flew: too late for the 90-minute minimum connection on a 2h 11m layover.
Arrives on time72%First flight not cancelled (0.0% are) × connection made (94%) × second flight not cancelled (0.8% are) and within 15 minutes (78%).
Total trip7h 04mIAH 13:58 to CHA 22:02, 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.