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

Philadelphia → Birmingham via Chicago: arrives on time 64%

  1. 08:05 PHL → 09:34 ORD
    UA 1811 · United · 2h 29m · 87% on time, 2.4% cancelled
  2. 1h 01m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 10:35 ORD → 12:46 BHM
    UA 4380 · United, flown by GoJet · 2h 11m · 76% on time, 0.0% cancelled

Total trip 5h 41m, scheduled departure to arrival (Birmingham is 1 h behind Philadelphia). Times are local. Both flew on 37 of the last 56 days.

Makes the connection87%The first flight arrived more than 16 minutes late on 13% of the days it flew: too late for the 45-minute minimum connection on a 1h 01m layover.
Arrives on time64%First flight not cancelled (2.4% are) × connection made (87%) × second flight not cancelled (0.0% are) and within 15 minutes (76%).
Total trip5h 41mPHL 08:05 to BHM 12:46, 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.