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

Boston → Portland via New York: arrives on time 62%

  1. 13:35 BOS → 15:10 JFK
    DL 5808 · Delta, flown by Republic · 1h 34m · 76% on time, 4.6% cancelled
  2. 2h 49m layover in New York (JFK) · 45 min minimum on one ticket
  3. 17:59 JFK → 21:11 PDX
    DL 684 · Delta · 6h 12m · 68% on time, 3.0% cancelled

Total trip 10h 36m, scheduled departure to arrival (Portland is 3 h behind Boston). Times are local. Both flew on 56 of the last 56 days.

Makes the connection99%The first flight arrived more than 124 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 49m layover.
Arrives on time62%First flight not cancelled (4.6% are) × connection made (99%) × second flight not cancelled (3.0% are) and within 15 minutes (68%).
Total trip10h 36mBOS 13:35 to PDX 21:11, 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.