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

Chicago → San Diego via Atlanta: arrives on time 76%

  1. 11:05 MDW → 14:01 ATL
    DL 1063 · Delta · 1h 56m · 90% on time, 2.7% cancelled
  2. 1h 35m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 15:36 ATL → 17:00 SAN
    DL 843 · Delta · 4h 25m · 82% on time, 0.3% cancelled

Total trip 7h 56m, scheduled departure to arrival (San Diego is 2 h behind Chicago). Times are local. Both flew on 49 of the last 56 days.

Makes the connection95%The first flight arrived more than 50 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 1h 35m layover.
Arrives on time76%First flight not cancelled (2.7% are) × connection made (95%) × second flight not cancelled (0.3% are) and within 15 minutes (82%).
Total trip7h 56mMDW 11:05 to SAN 17:00, 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.