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

Chicago → Seattle via Atlanta: arrives on time 56%

  1. 12:50 MDW → 15:49 ATL
    DL 2417 · Delta · 2h 02m · 86% on time, 3.4% cancelled
  2. 56m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 16:45 ATL → 19:04 SEA
    DL 472 · Delta · 5h 19m · 70% on time, 0.0% cancelled

Total trip 8h 14m, scheduled departure to arrival (Seattle is 2 h behind Chicago). Times are local. Both flew on 55 of the last 56 days.

Makes the connection83%The first flight arrived more than 11 minutes late on 17% of the days it flew: too late for the 45-minute minimum connection on a 56m layover.
Arrives on time56%First flight not cancelled (3.4% are) × connection made (83%) × second flight not cancelled (0.0% are) and within 15 minutes (70%).
Total trip8h 14mMDW 12:50 to SEA 19:04, 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.