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

Boston → San Juan via Atlanta: arrives on time 65%

  1. 12:30 BOS → 15:17 ATL
    DL 2779 · Delta · 2h 47m · 84% on time, 0.9% cancelled
  2. 3h 28m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 18:45 ATL → 22:29 SJU
    DL 1861 · Delta · 3h 44m · 67% on time, 1.7% cancelled

Total trip 9h 59m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.

Makes the connection100%The first flight arrived more than 163 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 3h 28m layover.
Arrives on time65%First flight not cancelled (0.9% are) × connection made (100%) × second flight not cancelled (1.7% are) and within 15 minutes (67%).
Total trip9h 59mBOS 12:30 to SJU 22:29, 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.