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

Birmingham → Chicago via Atlanta: arrives on time 72%

  1. 09:28 BHM → 11:29 ATL
    DL 3100 · Delta · 1h 01m · 94% on time, 2.1% cancelled
  2. 1h 33m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 13:02 ATL → 14:16 ORD
    DL 1477 · Delta · 2h 14m · 76% on time, 1.7% cancelled

Total trip 4h 48m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection98%The first flight arrived more than 48 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 1h 33m layover.
Arrives on time72%First flight not cancelled (2.1% are) × connection made (98%) × second flight not cancelled (1.7% are) and within 15 minutes (76%).
Total trip4h 48mBHM 09:28 to ORD 14:16, 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.