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

Detroit → San Juan via Atlanta: arrives on time 80%

  1. 07:25 DTW → 09:26 ATL
    DL 965 · Delta · 2h 01m · 88% on time, 0.6% cancelled
  2. 3h 40m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 13:06 ATL → 16:46 SJU
    DL 1946 · Delta · 3h 40m · 82% on time, 0.5% cancelled

Total trip 9h 21m, 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 175 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 40m layover.
Arrives on time80%First flight not cancelled (0.6% are) × connection made (99%) × second flight not cancelled (0.5% are) and within 15 minutes (82%).
Total trip9h 21mDTW 07:25 to SJU 16:46, 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.