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

Detroit → San Juan via New York: arrives on time 79%

  1. 07:03 DTW → 09:00 JFK
    DL 5216 · Delta, flown by Endeavor · 1h 57m · 81% on time, 2.3% cancelled
  2. 3h 30m layover in New York (JFK) · 45 min minimum on one ticket
  3. 12:30 JFK → 16:29 SJU
    DL 1961 · Delta · 3h 59m · 84% on time, 1.1% cancelled

Total trip 9h 26m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection98%The first flight arrived more than 165 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 3h 30m layover.
Arrives on time79%First flight not cancelled (2.3% are) × connection made (98%) × second flight not cancelled (1.1% are) and within 15 minutes (84%).
Total trip9h 26mDTW 07:03 to SJU 16:29, 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.