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

Miami → Chicago via Atlanta: arrives on time 77%

  1. 06:00 MIA → 08:05 ATL
    DL 1249 · Delta · 2h 05m · 93% on time, 2.5% cancelled
  2. 1h 04m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 09:09 ATL → 10:09 MDW
    DL 1063 · Delta · 2h 00m · 88% on time, 3.0% cancelled

Total trip 5h 09m, scheduled departure to arrival (Chicago is 1 h behind Miami). Times are local. Both flew on 56 of the last 56 days.

Makes the connection93%The first flight arrived more than 19 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 1h 04m layover.
Arrives on time77%First flight not cancelled (2.5% are) × connection made (93%) × second flight not cancelled (3.0% are) and within 15 minutes (88%).
Total trip5h 09mMIA 06:00 to MDW 10:09, 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.