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

Boston → Portland via Salt Lake City: arrives on time 84%

  1. 06:05 BOS → 09:18 SLC
    DL 859 · Delta · 5h 13m · 89% on time, 1.6% cancelled
  2. 1h 57m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
  3. 11:15 SLC → 12:10 PDX
    DL 1209 · Delta · 1h 55m · 89% on time, 1.4% cancelled

Total trip 9h 05m, scheduled departure to arrival (Portland is 3 h behind Boston). Times are local. Both flew on 56 of the last 56 days.

Makes the connection98%The first flight arrived more than 72 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 1h 57m layover.
Arrives on time84%First flight not cancelled (1.6% are) × connection made (98%) × second flight not cancelled (1.4% are) and within 15 minutes (89%).
Total trip9h 05mBOS 06:05 to PDX 12:10, 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.