AA 490 then AA 3927 at DFW
Tucson → Dallas-Fort Worth → Lexington
Timetable, Dallas-Fort Worth time
08:41AA 490 from Tucson at the gate
15:55AA 3927 to Lexington leaves the gate
7 h 14 apart on the timetable
The last days
AA 490 and AA 3927 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.