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

Chicago → Charleston via Atlanta: arrives on time 81%

  1. 06:35 ORD → 09:41 ATL
    DL 1247 · Delta · 2h 06m · 88% on time, 1.1% cancelled
  2. 1h 05m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 10:46 ATL → 12:00 CHS
    DL 3107 · Delta · 1h 14m · 93% on time, 1.7% cancelled

Total trip 4h 25m, scheduled departure to arrival (Charleston is 1 h ahead of Chicago). Times are local. Both flew on 49 of the last 56 days.

Makes the connection90%The first flight arrived more than 20 minutes late on 10% of the days it flew: too late for the 45-minute minimum connection on a 1h 05m layover.
Arrives on time81%First flight not cancelled (1.1% are) × connection made (90%) × second flight not cancelled (1.7% are) and within 15 minutes (93%).
Total trip4h 25mORD 06:35 to CHS 12:00, 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.