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

Houston → Chattanooga via Atlanta: arrives on time 45%

  1. 14:43 IAH → 17:54 ATL
    DL 1572 · Delta · 2h 13m · 80% on time, 1.3% cancelled
  2. 46m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 18:40 ATL → 19:33 CHA
    DL 3150 · Delta · 53m · 67% on time, 2.0% cancelled

Total trip 3h 50m, scheduled departure to arrival (Chattanooga is 1 h ahead of Houston). Times are local. Both flew on 49 of the last 56 days.

Makes the connection70%The first flight arrived more than 1 minutes late on 30% of the days it flew: too late for the 45-minute minimum connection on a 46m layover.
Arrives on time45%First flight not cancelled (1.3% are) × connection made (70%) × second flight not cancelled (2.0% are) and within 15 minutes (67%).
Total trip3h 50mIAH 14:43 to CHA 19:33, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.