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

Rochester → New York via Detroit: arrives on time 34%

17:48 ROC → 19:15 DTW

DL 5231 · Delta, flown by Endeavor · 1h 27m · 65% on time, 5.5% cancelled
55m layover in Detroit (DTW) · 45 min minimum on one ticket
20:10 DTW → 22:16 JFK

DL 1316 · Delta · 2h 03m · 62% on time, 6.3% cancelled

Total trip 4h 25m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.

Makes the connection62%The first flight arrived more than 10 minutes late on 38% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.

Arrives on time34%First flight not cancelled (5.5% are) × connection made (62%) × second flight not cancelled (6.3% are) and within 15 minutes (62%).

Total trip4h 25mROC 17:48 to JFK 22:16, 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.