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

Boston → Dulles via Rochester: arrives on time 88%

  1. 09:55 BOS → 11:30 ROC
    AA 4171 · American, flown by Envoy · 1h 35m · 94% on time, 0.0% cancelled
  2. 3h 30m layover in Rochester (ROC) · 90 min minimum on separate tickets
  3. 15:00 ROC → 16:21 IAD
    UA 4521 · United, flown by GoJet · 1h 21m · 92% on time, 3.7% cancelled

Total trip 6h 26m, scheduled departure to arrival. Times are local. Both flew on 27 of the last 56 days.

Makes the connection99%The first flight arrived more than 120 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 30m layover.
Arrives on time88%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (3.7% are) and within 15 minutes (92%).
Total trip6h 26mBOS 09:55 to IAD 16:21, 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.