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

Portland → Boston via Atlanta: arrives on time 57%

  1. 06:35 PDX → 14:20 ATL
    DL 662 · Delta · 4h 45m · 95% on time, 1.1% cancelled
  2. 2h 28m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 16:48 ATL → 19:36 BOS
    DL 518 · Delta · 2h 47m · 59% on time, 1.4% cancelled

Total trip 10h 00m, scheduled departure to arrival (Boston is 3 h ahead of Portland). Times are local. Both flew on 54 of the last 56 days.

Makes the connection99%The first flight arrived more than 103 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 28m layover.
Arrives on time57%First flight not cancelled (1.1% are) × connection made (99%) × second flight not cancelled (1.4% are) and within 15 minutes (59%).
Total trip10h 00mPDX 06:35 to BOS 19:36, 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.