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

San Juan → Boston via Atlanta: arrives on time 67%

  1. 07:30 SJU → 11:20 ATL
    DL 1763 · Delta · 3h 50m · 96% on time, 1.1% cancelled
  2. 2h 38m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 13:58 ATL → 16:46 BOS
    DL 726 · Delta · 2h 48m · 69% on time, 1.4% cancelled

Total trip 9h 16m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.

Makes the connection99%The first flight arrived more than 113 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 38m layover.
Arrives on time67%First flight not cancelled (1.1% are) × connection made (99%) × second flight not cancelled (1.4% are) and within 15 minutes (69%).
Total trip9h 16mSJU 07:30 to BOS 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.