tailodds FORECAST
Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Houston → Grand Rapids via Detroit: arrives on time 77%

  1. 15:27 IAH → 19:15 DTW
    DL 1865 · Delta · 2h 48m · 67% on time, 0.0% cancelled
  2. 3h 40m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 22:55 DTW → 23:57 GRR
    DL 4880 · Delta, flown by Endeavor · 1h 02m · 79% on time, 2.8% cancelled

Total trip 7h 30m, scheduled departure to arrival (Grand Rapids is 1 h ahead of Houston). Times are local. Both flew on 41 of the last 56 days.

Makes the connection100%The first flight arrived more than 175 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 3h 40m layover.
Arrives on time77%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (2.8% are) and within 15 minutes (79%).
Total trip7h 30mIAH 15:27 to GRR 23:57, 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.