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

Chicago → Seattle via Atlanta: arrives on time 74%

  1. 06:00 MDW → 08:55 ATL
    DL 1285 · Delta · 1h 55m · 90% on time, 2.7% cancelled
  2. 57m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 09:52 ATL → 12:20 SEA
    DL 774 · Delta · 5h 30m · 84% on time, 0.0% cancelled

Total trip 8h 22m, scheduled departure to arrival (Seattle is 2 h behind Chicago). Times are local. Both flew on 56 of the last 56 days.

Makes the connection90%The first flight arrived more than 12 minutes late on 10% of the days it flew: too late for the 45-minute minimum connection on a 57m layover.
Arrives on time74%First flight not cancelled (2.7% are) × connection made (90%) × second flight not cancelled (0.0% are) and within 15 minutes (84%).
Total trip8h 22mMDW 06:00 to SEA 12:20, 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.