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

Portland → Ontario via Seattle: arrives on time 85%

  1. 05:30 PDX → 06:41 SEA
    DL 4008 · Delta, flown by SkyWest · 1h 11m · 95% on time, 0.0% cancelled
  2. 1h 44m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 08:25 SEA → 11:17 ONT
    DL 4070 · Delta, flown by SkyWest · 2h 52m · 89% on time, 0.0% cancelled

Total trip 5h 47m, scheduled departure to arrival. Times are local. Both flew on 45 of the last 56 days.

Makes the connection96%The first flight arrived more than 59 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 44m layover.
Arrives on time85%First flight not cancelled (0.0% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (89%).
Total trip5h 47mPDX 05:30 to ONT 11:17, 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.