Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Houston → Detroit via Grand Rapids: arrives on time 93%

12:15 IAH → 16:09 GRR

UA 6134 · United, flown by Mesa · 2h 54m · 75% on time, 0.0% cancelled
3h 32m layover in Grand Rapids (GRR) · 90 min minimum on separate tickets
19:41 GRR → 20:45 DTW

DL 5800 · Delta, flown by Republic · 1h 04m · 93% on time, 0.0% cancelled

Total trip 7h 30m, scheduled departure to arrival (Detroit is 1 h ahead of Houston). Times are local. Both flew on 42 of the last 56 days.

Makes the connection100%The first flight arrived more than 122 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 32m layover.

Arrives on time93%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (93%).

Total trip7h 30mIAH 12:15 to DTW 20:45, 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.