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

Chicago → Eugene via Seattle: arrives on time 82%

  1. 17:55 ORD → 20:34 SEA
    DL 637 · Delta · 4h 39m · 60% on time, 2.0% cancelled
  2. 2h 01m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 22:35 SEA → 23:51 EUG
    DL 3855 · Delta, flown by SkyWest · 1h 16m · 88% on time, 0.3% cancelled

Total trip 7h 56m, scheduled departure to arrival (Eugene is 2 h behind Chicago). Times are local. Both flew on 47 of the last 56 days.

Makes the connection95%The first flight arrived more than 76 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 2h 01m layover.
Arrives on time82%First flight not cancelled (2.0% are) × connection made (95%) × second flight not cancelled (0.3% are) and within 15 minutes (88%).
Total trip7h 56mORD 17:55 to EUG 23:51, 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.