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

Buffalo → San Juan via Dulles: arrives on time 72%

  1. 06:15 BUF → 07:34 IAD
    UA 3668 · United, flown by Republic · 1h 19m · 90% on time, 4.8% cancelled
  2. 1h 00m layover in Dulles (IAD) · 45 min minimum on one ticket
  3. 08:34 IAD → 12:34 SJU
    UA 2021 · United · 4h 00m · 85% on time, 0.6% cancelled

Total trip 6h 19m, scheduled departure to arrival. Times are local. Both flew on 21 of the last 56 days.

Makes the connection90%The first flight arrived more than 15 minutes late on 10% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time72%First flight not cancelled (4.8% are) × connection made (90%) × second flight not cancelled (0.6% are) and within 15 minutes (85%).
Total trip6h 19mBUF 06:15 to SJU 12:34, 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.