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

Baltimore → Birmingham via Atlanta: arrives on time 54%

  1. 17:00 BWI → 19:08 ATL
    DL 2799 · Delta · 2h 05m · 78% on time, 2.0% cancelled
  2. 52m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 20:00 ATL → 19:58 BHM
    DL 3202 · Delta · 58m · 74% on time, 0.0% cancelled

Total trip 3h 58m, scheduled departure to arrival (Birmingham is 1 h behind Baltimore). Times are local. Both flew on 56 of the last 56 days.

Makes the connection75%The first flight arrived more than 7 minutes late on 25% of the days it flew: too late for the 45-minute minimum connection on a 52m layover.
Arrives on time54%First flight not cancelled (2.0% are) × connection made (75%) × second flight not cancelled (0.0% are) and within 15 minutes (74%).
Total trip3h 58mBWI 17:00 to BHM 19:58, 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.