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

Washington → Birmingham via Detroit: arrives on time 76%

  1. 06:00 DCA → 07:30 DTW
    DL 2869 · Delta · 1h 30m · 94% on time, 3.4% cancelled
  2. 1h 05m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 08:35 DTW → 09:42 BHM
    DL 3685 · Delta, flown by SkyWest · 2h 07m · 83% on time, 0.0% cancelled

Total trip 4h 42m, scheduled departure to arrival (Birmingham is 1 h behind Washington). Times are local. Both flew on 48 of the last 56 days.

Makes the connection94%The first flight arrived more than 20 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 1h 05m layover.
Arrives on time76%First flight not cancelled (3.4% are) × connection made (94%) × second flight not cancelled (0.0% are) and within 15 minutes (83%).
Total trip4h 42mDCA 06:00 to BHM 09:42, 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.