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

San Juan → Buffalo via Boston: arrives on time 30%

  1. 17:15 SJU → 21:22 BOS
    B6 762 · JetBlue · 4h 07m · 62% on time, 5.8% cancelled
  2. 48m layover in Boston (BOS) · 45 min minimum on one ticket
  3. 22:10 BOS → 23:43 BUF
    B6 715 · JetBlue · 1h 33m · 66% on time, 4.7% cancelled

Total trip 6h 28m, scheduled departure to arrival. Times are local. Both flew on 34 of the last 56 days.

Makes the connection50%The first flight arrived more than 3 minutes late on 50% of the days it flew: too late for the 45-minute minimum connection on a 48m layover.
Arrives on time30%First flight not cancelled (5.8% are) × connection made (50%) × second flight not cancelled (4.7% are) and within 15 minutes (66%).
Total trip6h 28mSJU 17:15 to BUF 23:43, 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.