Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Dallas-Fort Worth → Birmingham via Atlanta: arrives on time 85%

  1. 06:19 DFW → 09:41 ATL
    F9 1270 · Frontier · 2h 22m · 65% on time, 1.5% cancelled
  2. 3h 49m layover in Atlanta (ATL) · 90 min minimum on separate tickets
  3. 13:30 ATL → 13:24 BHM
    DL 3012 · Delta · 54m · 88% on time, 0.6% cancelled

Total trip 7h 05m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.

Makes the connection99%The first flight arrived more than 139 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 49m layover.
Arrives on time85%First flight not cancelled (1.5% are) × connection made (99%) × second flight not cancelled (0.6% are) and within 15 minutes (88%).
Total trip7h 05mDFW 06:19 to BHM 13:24, 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.