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

Baltimore → San Juan via Boston: arrives on time 69%

  1. 06:17 BWI → 08:00 BOS
    DL 5813 · Delta, flown by Republic · 1h 43m · 97% on time, 2.6% cancelled
  2. 50m layover in Boston (BOS) · 45 min minimum on one ticket
  3. 08:50 BOS → 12:54 SJU
    DL 1780 · Delta · 4h 04m · 78% on time, 1.1% cancelled

Total trip 6h 37m, scheduled departure to arrival. Times are local. Both flew on 54 of the last 56 days.

Makes the connection93%The first flight arrived more than 5 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time69%First flight not cancelled (2.6% are) × connection made (93%) × second flight not cancelled (1.1% are) and within 15 minutes (78%).
Total trip6h 37mBWI 06:17 to SJU 12:54, 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.