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

Birmingham → Houston via Atlanta: arrives on time 77%

  1. 05:15 BHM → 07:21 ATL
    DL 1979 · Delta · 1h 06m · 98% on time, 1.1% cancelled
  2. 2h 09m layover in Atlanta (ATL) · 90 min minimum on separate tickets
  3. 09:30 ATL → 10:35 HOU
    WN 4914 · Southwest · 2h 05m · 79% on time, 0.0% cancelled

Total trip 5h 20m, scheduled departure to arrival. Times are local. Both flew on 32 of the last 56 days.

Makes the connection99%The first flight arrived more than 39 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 2h 09m layover.
Arrives on time77%First flight not cancelled (1.1% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (79%).
Total trip5h 20mBHM 05:15 to HOU 10:35, 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.