Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Juan → Detroit via New York: arrives on time 74%
-
07:05 SJU → 11:01 JFKDL 1854 · Delta · 3h 56m · 93% on time, 1.1% cancelled
-
1h 58m layover in New York (JFK) · 45 min minimum on one ticket
-
12:59 JFK → 15:04 DTWDL 2343 · Delta · 2h 05m · 86% on time, 10.9% cancelled
Total trip 7h 59m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.
Makes the connection98%The first flight arrived more than 73 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 1h 58m layover.
Arrives on time74%First flight not cancelled (1.1% are) × connection made (98%) × second flight not cancelled (10.9% are) and within 15 minutes (86%).
Total trip7h 59mSJU 07:05 to DTW 15:04, 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.