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

Chicago → Miami via Detroit: arrives on time 84%

  1. 13:26 MDW → 15:44 DTW
    DL 4688 · Delta, flown by Endeavor · 1h 18m · 81% on time, 1.2% cancelled
  2. 3h 13m layover in Detroit (DTW) · 90 min minimum on separate tickets
  3. 18:57 DTW → 22:10 MIA
    AA 3358 · American, flown by Envoy · 3h 13m · 92% on time, 0.0% cancelled

Total trip 7h 44m, scheduled departure to arrival (Miami is 1 h ahead of Chicago). Times are local. Both flew on 22 of the last 56 days.

Makes the connection93%The first flight arrived more than 103 minutes late on 7% of the days it flew: too late for the 90-minute minimum connection on a 3h 13m layover.
Arrives on time84%First flight not cancelled (1.2% are) × connection made (93%) × second flight not cancelled (0.0% are) and within 15 minutes (92%).
Total trip7h 44mMDW 13:26 to MIA 22:10, 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.