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

Eugene → Chicago via Seattle: arrives on time 70%

  1. 06:13 EUG → 07:40 SEA
    DL 4128 · Delta, flown by SkyWest · 1h 27m · 94% on time, 0.3% cancelled
  2. 2h 55m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 10:35 SEA → 16:45 ORD
    DL 637 · Delta · 4h 10m · 72% on time, 1.9% cancelled

Total trip 8h 32m, scheduled departure to arrival (Chicago is 2 h ahead of Eugene). Times are local. Both flew on 56 of the last 56 days.

Makes the connection99%The first flight arrived more than 130 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 55m layover.
Arrives on time70%First flight not cancelled (0.3% are) × connection made (99%) × second flight not cancelled (1.9% are) and within 15 minutes (72%).
Total trip8h 32mEUG 06:13 to ORD 16:45, 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.