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

Birmingham → Atlanta via Chicago: arrives on time 63%

  1. 07:18 BHM → 09:41 ORD
    UA 4449 · United, flown by GoJet · 2h 23m · 87% on time, 1.9% cancelled
  2. 48m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 10:29 ORD → 13:44 ATL
    UA 2684 · United · 2h 15m · 86% on time, 0.0% cancelled

Total trip 5h 26m, scheduled departure to arrival (Atlanta is 1 h ahead of Birmingham). Times are local. Both flew on 56 of the last 56 days.

Makes the connection74%The first flight arrived more than 3 minutes late on 26% of the days it flew: too late for the 45-minute minimum connection on a 48m layover.
Arrives on time63%First flight not cancelled (1.9% are) × connection made (74%) × second flight not cancelled (0.0% are) and within 15 minutes (86%).
Total trip5h 26mBHM 07:18 to ATL 13:44, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.