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

Portland → Boston via Seattle: arrives on time 79%

  1. 05:30 PDX → 06:41 SEA
    DL 4008 · Delta, flown by SkyWest · 1h 11m · 95% on time, 0.0% cancelled
  2. 48m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 07:29 SEA → 16:00 BOS
    DL 459 · Delta · 5h 31m · 88% on time, 2.2% cancelled

Total trip 7h 30m, scheduled departure to arrival (Boston is 3 h ahead of Portland). Times are local. Both flew on 56 of the last 56 days.

Makes the connection92%The first flight arrived more than 3 minutes late on 8% of the days it flew: too late for the 45-minute minimum connection on a 48m layover.
Arrives on time79%First flight not cancelled (0.0% are) × connection made (92%) × second flight not cancelled (2.2% are) and within 15 minutes (88%).
Total trip7h 30mPDX 05:30 to BOS 16:00, 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.