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

Grand Rapids → Houston via Detroit: arrives on time 57%

  1. 10:34 GRR → 11:35 DTW
    DL 3500 · Delta, flown by SkyWest · 1h 01m · 81% on time, 0.0% cancelled
  2. 55m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 12:30 DTW → 14:30 IAH
    DL 1864 · Delta · 3h 00m · 73% on time, 0.0% cancelled

Total trip 4h 56m, scheduled departure to arrival (Houston is 1 h behind Grand Rapids). Times are local. Both flew on 41 of the last 56 days.

Makes the connection78%The first flight arrived more than 10 minutes late on 22% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time57%First flight not cancelled (0.0% are) × connection made (78%) × second flight not cancelled (0.0% are) and within 15 minutes (73%).
Total trip4h 56mGRR 10:34 to IAH 14:30, 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.