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

Houston → Dallas via Atlanta: arrives on time 71%

  1. 09:42 IAH → 12:48 ATL
    DL 1585 · Delta · 2h 06m · 78% on time, 4.3% cancelled
  2. 1h 11m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 13:59 ATL → 15:03 DAL
    DL 512 · Delta · 2h 13m · 86% on time, 1.4% cancelled

Total trip 5h 30m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.

Makes the connection87%The first flight arrived more than 26 minutes late on 13% of the days it flew: too late for the 45-minute minimum connection on a 1h 11m layover.
Arrives on time71%First flight not cancelled (4.3% are) × connection made (87%) × second flight not cancelled (1.4% are) and within 15 minutes (86%).
Total trip5h 30mIAH 09:42 to DAL 15:03, 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.