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

Portland → Washington via Chicago: arrives on time 79%

  1. 22:59 PDX → 05:00 ORD
    AS 376 · Alaska · 4h 01m · 87% on time, 2.7% cancelled
  2. 3h 00m layover in Chicago (ORD) · 90 min minimum on separate tickets
  3. 08:00 ORD → 11:01 DCA +1 day
    UA 382 · United · 2h 01m · 85% on time, 2.6% cancelled

Total trip 9h 02m, scheduled departure to arrival (Washington is 3 h ahead of Portland). Times are local. Both flew on 30 of the last 56 days.

Makes the connection98%The first flight arrived more than 90 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 3h 00m layover.
Arrives on time79%First flight not cancelled (2.7% are) × connection made (98%) × second flight not cancelled (2.6% are) and within 15 minutes (85%).
Total trip9h 02mPDX 22:59 to DCA 11:01, 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.