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

Seattle → Chicago via Sacramento: arrives on time 89%

  1. 18:05 SEA → 20:05 SMF
    WN 3566 · Southwest · 2h 00m · 61% on time, 0.0% cancelled
  2. 3h 45m layover in Sacramento (SMF) · 45 min minimum on one ticket
  3. 23:50 SMF → 05:45 MDW +1 day
    WN 3802 · Southwest · 3h 55m · 91% on time, 0.0% cancelled

Total trip 9h 40m, scheduled departure to arrival (Chicago is 2 h ahead of Seattle). Times are local. Both flew on 31 of the last 56 days.

Makes the connection97%The first flight arrived more than 180 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 3h 45m layover.
Arrives on time89%First flight not cancelled (0.0% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (91%).
Total trip9h 40mSEA 18:05 to MDW 05:45, 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.