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

Grand Rapids → Newark via Detroit: arrives on time 47%

  1. 12:10 GRR → 13:13 DTW
    DL 5473 · Delta, flown by Endeavor · 1h 03m · 71% on time, 1.9% cancelled
  2. 57m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 14:10 DTW → 15:59 EWR
    DL 2573 · Delta · 1h 49m · 71% on time, 4.5% cancelled

Total trip 3h 49m, scheduled departure to arrival. Times are local. Both flew on 41 of the last 56 days.

Makes the connection71%The first flight arrived more than 12 minutes late on 29% of the days it flew: too late for the 45-minute minimum connection on a 57m layover.
Arrives on time47%First flight not cancelled (1.9% are) × connection made (71%) × second flight not cancelled (4.5% are) and within 15 minutes (71%).
Total trip3h 49mGRR 12:10 to EWR 15:59, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.