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

Chicago → Pittsburgh via Houston: arrives on time 80%

  1. 07:35 ORD → 10:36 IAH
    UA 1231 · United · 3h 01m · 91% on time, 1.3% cancelled
  2. 1h 24m layover in Houston (IAH) · 45 min minimum on one ticket
  3. 12:00 IAH → 15:56 PIT
    UA 315 · United · 2h 56m · 85% on time, 0.0% cancelled

Total trip 7h 21m, scheduled departure to arrival (Pittsburgh is 1 h ahead of Chicago). Times are local. Both flew on 56 of the last 56 days.

Makes the connection96%The first flight arrived more than 39 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 24m layover.
Arrives on time80%First flight not cancelled (1.3% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (85%).
Total trip7h 21mORD 07:35 to PIT 15:56, 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.