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

St Louis → Houston via Atlanta: arrives on time 46%

  1. 17:06 STL → 20:07 ATL
    F9 4474 · Frontier · 2h 01m · 61% on time, 2.0% cancelled
  2. 1h 18m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 21:25 ATL → 22:48 IAH
    F9 4075 · Frontier · 2h 23m · 63% on time, 2.7% cancelled

Total trip 5h 42m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection77%The first flight arrived more than 33 minutes late on 23% of the days it flew: too late for the 45-minute minimum connection on a 1h 18m layover.
Arrives on time46%First flight not cancelled (2.0% are) × connection made (77%) × second flight not cancelled (2.7% are) and within 15 minutes (63%).
Total trip5h 42mSTL 17:06 to IAH 22:48, 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.