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

Kailua/Kona → Portland via Seattle: arrives on time 90%

  1. 20:50 KOA → 05:49 SEA
    DL 485 · Delta · 5h 59m · 93% on time, 2.6% cancelled
  2. 1h 41m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 07:30 SEA → 08:39 PDX +1 day
    DL 3953 · Delta, flown by SkyWest · 1h 09m · 94% on time, 0.3% cancelled

Total trip 8h 49m, scheduled departure to arrival (Portland is 3 h ahead of Kailua/Kona). Times are local. Both flew on 55 of the last 56 days.

Makes the connection98%The first flight arrived more than 56 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 1h 41m layover.
Arrives on time90%First flight not cancelled (2.6% are) × connection made (98%) × second flight not cancelled (0.3% are) and within 15 minutes (94%).
Total trip8h 49mKOA 20:50 to PDX 08:39, 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.