Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Juan → Philadelphia via Detroit: arrives on time 77%
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14:14 SJU → 18:53 DTWDL 1913 · Delta · 4h 39m · 86% on time, 1.6% cancelled
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2h 42m layover in Detroit (DTW) · 45 min minimum on one ticket
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21:35 DTW → 23:17 PHLDL 2402 · Delta · 1h 42m · 81% on time, 2.5% cancelled
Total trip 9h 03m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection99%The first flight arrived more than 117 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 42m layover.
Arrives on time77%First flight not cancelled (1.6% are) × connection made (99%) × second flight not cancelled (2.5% are) and within 15 minutes (81%).
Total trip9h 03mSJU 14:14 to PHL 23:17, 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.