tailodds FORECAST
Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

San Juan → Buffalo via Boston: arrives on time 85%

  1. 06:00 SJU → 10:05 BOS
    B6 562 · JetBlue · 4h 05m · 80% on time, 2.0% cancelled
  2. 3h 50m layover in Boston (BOS) · 90 min minimum on separate tickets
  3. 13:55 BOS → 15:44 BUF
    AA 4440 · American, flown by Republic · 1h 49m · 88% on time, 0.0% cancelled

Total trip 9h 44m, scheduled departure to arrival. Times are local. Both flew on 39 of the last 56 days.

Makes the connection99%The first flight arrived more than 140 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 50m layover.
Arrives on time85%First flight not cancelled (2.0% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip9h 44mSJU 06:00 to BUF 15:44, 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.