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

Eugene → Chicago via Seattle: arrives on time 80%

  1. 12:32 EUG → 13:59 SEA
    DL 4139 · Delta, flown by SkyWest · 1h 27m · 91% on time, 0.0% cancelled
  2. 3h 49m layover in Seattle (SEA) · 90 min minimum on separate tickets
  3. 17:48 SEA → 23:59 ORD
    AS 538 · Alaska · 4h 11m · 80% on time, 0.9% cancelled

Total trip 9h 27m, scheduled departure to arrival (Chicago is 2 h ahead of Eugene). Times are local. Both flew on 54 of the last 56 days.

Makes the connection100%The first flight arrived more than 139 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 49m layover.
Arrives on time80%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.9% are) and within 15 minutes (80%).
Total trip9h 27mEUG 12:32 to ORD 23:59, 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.