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

Grand Rapids → Denver via Detroit: arrives on time 85%

  1. 08:15 GRR → 09:19 DTW
    DL 3885 · Delta, flown by SkyWest · 1h 04m · 91% on time, 0.0% cancelled
  2. 4h 00m layover in Detroit (DTW) · 90 min minimum on separate tickets
  3. 13:19 DTW → 14:35 DEN
    F9 3565 · Frontier · 3h 16m · 85% on time, 0.0% cancelled

Total trip 8h 20m, scheduled departure to arrival (Denver is 2 h behind Grand Rapids). Times are local. Both flew on 55 of the last 56 days.

Makes the connection100%The first flight arrived more than 150 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 4h 00m layover.
Arrives on time85%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (85%).
Total trip8h 20mGRR 08:15 to DEN 14:35, 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.