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

Birmingham → Philadelphia via Atlanta: arrives on time 69%

  1. 06:15 BHM → 08:21 ATL
    DL 1618 · Delta · 1h 06m · 89% on time, 2.5% cancelled
  2. 4h 39m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 13:00 ATL → 15:02 PHL
    DL 2131 · Delta · 2h 02m · 73% on time, 2.6% cancelled

Total trip 7h 47m, scheduled departure to arrival (Philadelphia is 1 h ahead of Birmingham). Times are local. Both flew on 55 of the last 56 days.

Makes the connection99%The first flight arrived more than 234 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 4h 39m layover.
Arrives on time69%First flight not cancelled (2.5% are) × connection made (99%) × second flight not cancelled (2.6% are) and within 15 minutes (73%).
Total trip7h 47mBHM 06:15 to PHL 15:02, 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.