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

Portland → Boston via Los Angeles: arrives on time 72%

  1. 17:37 PDX → 20:03 LAX
    DL 2551 · Delta · 2h 26m · 88% on time, 0.3% cancelled
  2. 57m layover in Los Angeles (LAX) · 45 min minimum on one ticket
  3. 21:00 LAX → 05:28 BOS +1 day
    DL 507 · Delta · 5h 28m · 85% on time, 2.8% cancelled

Total trip 8h 51m, scheduled departure to arrival (Boston is 3 h ahead of Portland). Times are local. Both flew on 49 of the last 56 days.

Makes the connection87%The first flight arrived more than 12 minutes late on 13% of the days it flew: too late for the 45-minute minimum connection on a 57m layover.
Arrives on time72%First flight not cancelled (0.3% are) × connection made (87%) × second flight not cancelled (2.8% are) and within 15 minutes (85%).
Total trip8h 51mPDX 17:37 to BOS 05:28, 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.