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

St Louis → Houston via Atlanta: arrives on time 71%

  1. 17:36 STL → 20:23 ATL
    DL 543 · Delta · 1h 47m · 81% on time, 3.6% cancelled
  2. 2h 21m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 22:44 ATL → 23:56 IAH
    DL 1601 · Delta · 2h 12m · 76% on time, 2.5% cancelled

Total trip 6h 20m, scheduled departure to arrival. Times are local. Both flew on 1 of the last 56 days, too few to list among the best connections.

Makes the connection99%The first flight arrived more than 96 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 21m layover.
Arrives on time71%First flight not cancelled (3.6% are) × connection made (99%) × second flight not cancelled (2.5% are) and within 15 minutes (76%).
Total trip6h 20mSTL 17:36 to IAH 23:56, 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.