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

Dulles → San Juan via Detroit: arrives on time 63%

  1. 06:00 IAD → 07:40 DTW
    DL 3826 · Delta, flown by SkyWest · 1h 40m · 86% on time, 0.0% cancelled
  2. 55m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 08:35 DTW → 13:04 SJU
    DL 1913 · Delta · 4h 29m · 76% on time, 0.7% cancelled

Total trip 7h 04m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection84%The first flight arrived more than 10 minutes late on 16% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time63%First flight not cancelled (0.0% are) × connection made (84%) × second flight not cancelled (0.7% are) and within 15 minutes (76%).
Total trip7h 04mIAD 06:00 to SJU 13:04, 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.