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

Chicago → Seattle via Atlanta: arrives on time 77%

  1. 06:00 MDW → 08:55 ATL
    DL 1285 · Delta · 1h 55m · 90% on time, 2.7% cancelled
  2. 3h 40m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 12:35 ATL → 14:55 SEA
    DL 629 · Delta · 5h 20m · 82% on time, 0.5% cancelled

Total trip 10h 55m, scheduled departure to arrival (Seattle is 2 h behind Chicago). Times are local. Both flew on 56 of the last 56 days.

Makes the connection97%The first flight arrived more than 175 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 3h 40m layover.
Arrives on time77%First flight not cancelled (2.7% are) × connection made (97%) × second flight not cancelled (0.5% are) and within 15 minutes (82%).
Total trip10h 55mMDW 06:00 to SEA 14:55, 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.