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

Seattle → Portland via Ontario: arrives on time 52%

  1. 13:50 SEA → 16:30 ONT
    AS 571 · Alaska · 2h 40m · 52% on time, 2.2% cancelled
  2. 1h 02m layover in Ontario (ONT) · 45 min minimum on one ticket
  3. 17:32 ONT → 19:49 PDX
    AS 2456 · Alaska, flown by Horizon · 2h 17m · 93% on time, 1.3% cancelled

Total trip 5h 59m, scheduled departure to arrival. Times are local. Both flew on 45 of the last 56 days.

Makes the connection58%The first flight arrived more than 17 minutes late on 42% of the days it flew: too late for the 45-minute minimum connection on a 1h 02m layover.
Arrives on time52%First flight not cancelled (2.2% are) × connection made (58%) × second flight not cancelled (1.3% are) and within 15 minutes (93%).
Total trip5h 59mSEA 13:50 to PDX 19:49, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.