AA 5458 then F9 1882 at Houston
Washington National → Houston → Chicago
Timetable, Houston time
16:18AA 5458 from Washington National at the gate
17:06F9 1882 to Chicago leaves the gate
48 min apart on the timetable
The last days
AA 5458 and F9 1882 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.