Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Des Moines → Atlanta via Chicago: arrives on time 81%

  1. 06:00 DSM → 07:40 ORD
    UA 1856 · United · 1h 40m · 93% on time, 1.4% cancelled
  2. 2h 05m layover in Chicago (ORD) · 90 min minimum on separate tickets
  3. 09:45 ORD → 12:51 ATL
    DL 1178 · Delta · 2h 06m · 87% on time, 2.3% cancelled

Total trip 5h 51m, scheduled departure to arrival (Atlanta is 1 h ahead of Des Moines). Times are local. Both flew on 56 of the last 56 days.

Makes the connection96%The first flight arrived more than 35 minutes late on 4% of the days it flew: too late for the 90-minute minimum connection on a 2h 05m layover.
Arrives on time81%First flight not cancelled (1.4% are) × connection made (96%) × second flight not cancelled (2.3% are) and within 15 minutes (87%).
Total trip5h 51mDSM 06:00 to ATL 12:51, 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.