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

Newark → San Juan via Atlanta: arrives on time 40%

  1. 15:25 EWR → 17:54 ATL
    DL 2312 · Delta · 2h 29m · 70% on time, 4.6% cancelled
  2. 51m 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 7h 04m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.

Makes the connection63%The first flight arrived more than 6 minutes late on 37% of the days it flew: too late for the 45-minute minimum connection on a 51m layover.
Arrives on time40%First flight not cancelled (4.6% are) × connection made (63%) × second flight not cancelled (1.7% are) and within 15 minutes (67%).
Total trip7h 04mEWR 15:25 to SJU 22:29, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.