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

Birmingham → Chicago via Atlanta: arrives on time 68%

  1. 06:15 BHM → 08:21 ATL
    DL 1618 · Delta · 1h 06m · 89% on time, 2.5% cancelled
  2. 48m 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 3h 54m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection81%The first flight arrived more than 3 minutes late on 19% of the days it flew: too late for the 45-minute minimum connection on a 48m layover.
Arrives on time68%First flight not cancelled (2.5% are) × connection made (81%) × second flight not cancelled (3.0% are) and within 15 minutes (88%).
Total trip3h 54mBHM 06:15 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.