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

Milwaukee → San Diego via Atlanta: arrives on time 81%

  1. 05:40 MKE → 08:42 ATL
    DL 1221 · Delta · 2h 02m · 91% on time, 1.4% cancelled
  2. 3h 11m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 11:53 ATL → 13:21 SAN
    DL 540 · Delta · 4h 28m · 85% on time, 0.0% cancelled

Total trip 9h 41m, scheduled departure to arrival (San Diego is 2 h behind Milwaukee). Times are local. Both flew on 55 of the last 56 days.

Makes the connection96%The first flight arrived more than 146 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 3h 11m layover.
Arrives on time81%First flight not cancelled (1.4% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (85%).
Total trip9h 41mMKE 05:40 to SAN 13:21, 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.