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

Boston → Portland via Minneapolis: arrives on time 70%

  1. 14:52 BOS → 17:05 MSP
    DL 1127 · Delta · 3h 14m · 76% on time, 1.4% cancelled
  2. 1h 29m layover in Minneapolis (MSP) · 45 min minimum on one ticket
  3. 18:34 MSP → 20:17 PDX
    DL 2151 · Delta · 3h 43m · 79% on time, 0.6% cancelled

Total trip 8h 25m, scheduled departure to arrival (Portland is 3 h behind Boston). Times are local. Both flew on 55 of the last 56 days.

Makes the connection90%The first flight arrived more than 44 minutes late on 10% of the days it flew: too late for the 45-minute minimum connection on a 1h 29m layover.
Arrives on time70%First flight not cancelled (1.4% are) × connection made (90%) × second flight not cancelled (0.6% are) and within 15 minutes (79%).
Total trip8h 25mBOS 14:52 to PDX 20:17, 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.