Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Detroit → San Juan via Denver: arrives on time 82%

  1. 05:30 DTW → 06:35 DEN
    WN 1778 · Southwest · 3h 05m · 93% on time, 0.0% cancelled
  2. 3h 08m layover in Denver (DEN) · 90 min minimum on separate tickets
  3. 09:43 DEN → 17:38 SJU
    UA 1339 · United · 5h 55m · 84% on time, 0.3% cancelled

Total trip 12h 08m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection98%The first flight arrived more than 98 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 3h 08m layover.
Arrives on time82%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (0.3% are) and within 15 minutes (84%).
Total trip12h 08mDTW 05:30 to SJU 17:38, 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.