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

Boston → Portland via Philadelphia: arrives on time 44%

  1. 17:05 BOS → 18:49 PHL
    AA 3309 · American · 1h 44m · 58% on time, 8.6% cancelled
  2. 1h 23m layover in Philadelphia (PHL) · 45 min minimum on one ticket
  3. 20:12 PHL → 23:30 PDX
    AA 1483 · American · 6h 18m · 71% on time, 5.6% cancelled

Total trip 9h 25m, scheduled departure to arrival (Portland is 3 h behind Boston). Times are local. Both flew on 54 of the last 56 days.

Makes the connection73%The first flight arrived more than 38 minutes late on 27% of the days it flew: too late for the 45-minute minimum connection on a 1h 23m layover.
Arrives on time44%First flight not cancelled (8.6% are) × connection made (73%) × second flight not cancelled (5.6% are) and within 15 minutes (71%).
Total trip9h 25mBOS 17:05 to PDX 23:30, 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.