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

Houston → Chicago via Philadelphia: arrives on time 17%

  1. 12:21 IAH → 16:49 PHL
    AA 1927 · American · 3h 28m · 55% on time, 1.5% cancelled
  2. 51m layover in Philadelphia (PHL) · 45 min minimum on one ticket
  3. 17:40 PHL → 19:26 ORD
    AA 1012 · American · 2h 46m · 58% on time, 8.5% cancelled

Total trip 7h 05m, scheduled departure to arrival. Times are local. Both flew on 52 of the last 56 days.

Makes the connection31%The first flight arrived more than 6 minutes late on 69% of the days it flew: too late for the 45-minute minimum connection on a 51m layover.
Arrives on time17%First flight not cancelled (1.5% are) × connection made (31%) × second flight not cancelled (8.5% are) and within 15 minutes (58%).
Total trip7h 05mIAH 12:21 to ORD 19:26, 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.