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

Chicago → Birmingham via Atlanta: arrives on time 88%

  1. 07:12 ORD → 10:27 ATL
    UA 425 · United · 2h 15m · 86% on time, 0.0% cancelled
  2. 3h 03m layover in Atlanta (ATL) · 90 min minimum on separate tickets
  3. 13:30 ATL → 13:24 BHM
    DL 3012 · Delta · 54m · 88% on time, 0.6% cancelled

Total trip 6h 12m, scheduled departure to arrival. Times are local. Both flew on 37 of the last 56 days.

Makes the connection100%The first flight arrived more than 93 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 03m layover.
Arrives on time88%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.6% are) and within 15 minutes (88%).
Total trip6h 12mORD 07:12 to BHM 13:24, 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.