AA 3220 then AA 3157 at DFW
Tulsa → Dallas-Fort Worth → Houston
Timetable, Dallas-Fort Worth time
09:12AA 3220 from Tulsa at the gate
10:00AA 3157 to Houston leaves the gate
48 min apart on the timetable
The last days
AA 3220 and AA 3157 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.