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

Atlanta → Houston via Chicago: arrives on time 47%

  1. 15:30 ATL → 16:57 ORD
    UA 516 · United · 2h 27m · 74% on time, 1.1% cancelled
  2. 48m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 17:45 ORD → 20:50 IAH
    UA 1954 · United · 3h 05m · 77% on time, 1.4% cancelled

Total trip 6h 20m, scheduled departure to arrival (Houston is 1 h behind Atlanta). Times are local. Both flew on 55 of the last 56 days.

Makes the connection62%The first flight arrived more than 3 minutes late on 38% of the days it flew: too late for the 45-minute minimum connection on a 48m layover.
Arrives on time47%First flight not cancelled (1.1% are) × connection made (62%) × second flight not cancelled (1.4% are) and within 15 minutes (77%).
Total trip6h 20mATL 15:30 to IAH 20:50, 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.