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

San Juan → Charlotte via Detroit: arrives on time 65%

  1. 14:14 SJU → 18:53 DTW
    DL 1913 · Delta · 4h 39m · 86% on time, 1.6% cancelled
  2. 1h 12m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 20:05 DTW → 21:55 CLT
    DL 2352 · Delta · 1h 50m · 74% on time, 1.6% cancelled

Total trip 7h 41m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection91%The first flight arrived more than 27 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 1h 12m layover.
Arrives on time65%First flight not cancelled (1.6% are) × connection made (91%) × second flight not cancelled (1.6% are) and within 15 minutes (74%).
Total trip7h 41mSJU 14:14 to CLT 21:55, 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.