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

Boston → Portland via Atlanta: arrives on time 71%

  1. 10:20 BOS → 13:04 ATL
    DL 385 · Delta · 2h 44m · 87% on time, 2.9% cancelled
  2. 3h 48m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 16:52 ATL → 18:56 PDX
    DL 503 · Delta · 5h 04m · 74% on time, 0.6% cancelled

Total trip 11h 36m, scheduled departure to arrival (Portland is 3 h behind Boston). Times are local. Both flew on 54 of the last 56 days.

Makes the connection99%The first flight arrived more than 183 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 48m layover.
Arrives on time71%First flight not cancelled (2.9% are) × connection made (99%) × second flight not cancelled (0.6% are) and within 15 minutes (74%).
Total trip11h 36mBOS 10:20 to PDX 18:56, 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.