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

Atlanta → San Juan via Denver: arrives on time 70%

  1. 07:30 ATL → 08:51 DEN
    UA 340 · United · 3h 21m · 91% on time, 1.4% cancelled
  2. 52m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 09:43 DEN → 17:38 SJU
    UA 1339 · United · 5h 55m · 84% on time, 0.3% cancelled

Total trip 10h 08m, scheduled departure to arrival. Times are local. Both flew on 32 of the last 56 days.

Makes the connection85%The first flight arrived more than 7 minutes late on 15% of the days it flew: too late for the 45-minute minimum connection on a 52m layover.
Arrives on time70%First flight not cancelled (1.4% are) × connection made (85%) × second flight not cancelled (0.3% are) and within 15 minutes (84%).
Total trip10h 08mATL 07:30 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.