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

Birmingham → Washington via Atlanta: arrives on time 56%

  1. 14:10 BHM → 16:18 ATL
    DL 3012 · Delta · 1h 08m · 88% on time, 0.6% cancelled
  2. 2h 37m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 18:55 ATL → 20:48 DCA
    DL 325 · Delta · 1h 53m · 60% on time, 2.8% cancelled

Total trip 5h 38m, scheduled departure to arrival (Washington is 1 h ahead of Birmingham). Times are local. Both flew on 55 of the last 56 days.

Makes the connection96%The first flight arrived more than 112 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 2h 37m layover.
Arrives on time56%First flight not cancelled (0.6% are) × connection made (96%) × second flight not cancelled (2.8% are) and within 15 minutes (60%).
Total trip5h 38mBHM 14:10 to DCA 20:48, 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.