AA 1618 then AA 4540 at Houston
Phoenix → Houston → Chicago
Timetable, Houston time
13:30AA 1618 from Phoenix at the gate
18:48AA 4540 to Chicago leaves the gate
5 h 18 apart on the timetable
Today
From the airport’s board at 20:23 Houston time
13:29AA 1618 reached the gate1 min early
18:43AA 4540 left the gate5 min early
5 h 14 between the gates
The last days
AA 1618 and AA 4540 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.