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

Philadelphia → Birmingham via Chicago: arrives on time 56%

  1. 18:31 PHL → 20:00 ORD
    UA 2665 · United · 2h 29m · 55% on time, 3.4% cancelled
  2. 1h 30m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 21:30 ORD → 23:34 BHM
    UA 4447 · United, flown by GoJet · 2h 04m · 79% on time, 5.6% cancelled

Total trip 6h 03m, scheduled departure to arrival (Birmingham is 1 h behind Philadelphia). Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.

Makes the connection77%The first flight arrived more than 45 minutes late on 23% of the days it flew: too late for the 45-minute minimum connection on a 1h 30m layover.
Arrives on time56%First flight not cancelled (3.4% are) × connection made (77%) × second flight not cancelled (5.6% are) and within 15 minutes (79%).
Total trip6h 03mPHL 18:31 to BHM 23:34, 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.