AA 1011 then AA 5203 at DFW
Tucson → Dallas-Fort Worth → Houston
Timetable, Dallas-Fort Worth time
12:22AA 1011 from Tucson at the gate
21:42AA 5203 to Houston leaves the gate
9 h 20 apart on the timetable
The last days
AA 1011 and AA 5203 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.