AA 3971 then AA 2506 at DFW
Tyler → Dallas-Fort Worth → Chicago O'Hare
Timetable, Dallas-Fort Worth time
18:58AA 3971 from Tyler at the gate
19:57AA 2506 to Chicago O'Hare leaves the gate
59 min apart on the timetable
The last days
AA 3971 and AA 2506 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.