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

Portland → Kailua/Kona via Denver: arrives on time 84%

  1. 05:00 PDX → 08:31 DEN
    UA 459 · United · 2h 31m · 97% on time, 0.3% cancelled
  2. 3h 44m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 12:15 DEN → 15:37 KOA
    UA 1758 · United · 7h 22m · 85% on time, 0.5% cancelled

Total trip 13h 37m, scheduled departure to arrival (Kailua/Kona is 3 h behind Portland). Times are local. Both flew on 56 of the last 56 days.

Makes the connection99%The first flight arrived more than 179 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 44m layover.
Arrives on time84%First flight not cancelled (0.3% are) × connection made (99%) × second flight not cancelled (0.5% are) and within 15 minutes (85%).
Total trip13h 37mPDX 05:00 to KOA 15:37, 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.