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

Chicago → Dallas via Atlanta: arrives on time 57%

  1. 17:10 MDW → 20:22 ATL
    DL 1728 · Delta · 2h 10m · 74% on time, 2.1% cancelled
  2. 53m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 21:15 ATL → 22:34 DAL
    DL 1104 · Delta · 2h 19m · 82% on time, 2.5% cancelled

Total trip 5h 24m, scheduled departure to arrival. Times are local. Both flew on 43 of the last 56 days.

Makes the connection73%The first flight arrived more than 8 minutes late on 27% of the days it flew: too late for the 45-minute minimum connection on a 53m layover.
Arrives on time57%First flight not cancelled (2.1% are) × connection made (73%) × second flight not cancelled (2.5% are) and within 15 minutes (82%).
Total trip5h 24mMDW 17:10 to DAL 22:34, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.