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

Houston → Atlanta via Detroit: arrives on time 81%

  1. 05:20 IAH → 09:11 DTW
    DL 1389 · Delta · 2h 51m · 90% on time, 1.4% cancelled
  2. 1h 14m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 10:25 DTW → 12:25 ATL
    DL 2856 · Delta · 1h 58m · 86% on time, 0.3% cancelled

Total trip 6h 03m, scheduled departure to arrival (Atlanta is 1 h ahead of Houston). Times are local. Both flew on 56 of the last 56 days.

Makes the connection96%The first flight arrived more than 29 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 14m layover.
Arrives on time81%First flight not cancelled (1.4% are) × connection made (96%) × second flight not cancelled (0.3% are) and within 15 minutes (86%).
Total trip6h 03mIAH 05:20 to ATL 12:25, 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.