Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Portland → Baltimore via Seattle: arrives on time 88%

  1. 17:50 PDX → 19:05 SEA
    DL 3918 · Delta, flown by SkyWest · 1h 15m · 86% on time, 0.3% cancelled
  2. 2h 31m layover in Seattle (SEA) · 90 min minimum on separate tickets
  3. 21:36 SEA → 05:41 BWI +1 day
    AS 781 · Alaska · 5h 05m · 90% on time, 0.0% cancelled

Total trip 8h 51m, scheduled departure to arrival (Baltimore is 3 h ahead of Portland). Times are local. Both flew on 51 of the last 56 days.

Makes the connection98%The first flight arrived more than 61 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 2h 31m layover.
Arrives on time88%First flight not cancelled (0.3% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (90%).
Total trip8h 51mPDX 17:50 to BWI 05:41, 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.