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

Houston → Grand Rapids via Detroit: arrives on time 64%

  1. 05:20 IAH → 09:11 DTW
    DL 1389 · Delta · 2h 51m · 90% on time, 1.4% cancelled
  2. 1h 10m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 10:21 DTW → 11:21 GRR
    DL 5473 · Delta, flown by Endeavor · 1h 00m · 69% on time, 1.9% cancelled

Total trip 5h 01m, scheduled departure to arrival (Grand Rapids is 1 h ahead of Houston). Times are local. Both flew on 42 of the last 56 days.

Makes the connection96%The first flight arrived more than 25 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 10m layover.
Arrives on time64%First flight not cancelled (1.4% are) × connection made (96%) × second flight not cancelled (1.9% are) and within 15 minutes (69%).
Total trip5h 01mIAH 05:20 to GRR 11:21, 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.