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

Seattle → Chicago via Atlanta: arrives on time 87%

  1. 23:31 SEA → 07:24 ATL
    AS 464 · Alaska · 4h 53m · 88% on time, 0.6% cancelled
  2. 2h 36m layover in Atlanta (ATL) · 90 min minimum on separate tickets
  3. 10:00 ATL → 11:00 MDW +1 day
    WN 224 · Southwest · 2h 00m · 89% on time, 0.0% cancelled

Total trip 9h 29m, scheduled departure to arrival (Chicago is 2 h ahead of Seattle). Times are local. Both flew on 21 of the last 56 days.

Makes the connection98%The first flight arrived more than 66 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 2h 36m layover.
Arrives on time87%First flight not cancelled (0.6% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (89%).
Total trip9h 29mSEA 23:31 to MDW 11:00, 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.