AA 6243 then AA 3407 at DFW
Durango La Plata County → Dallas-Fort Worth → Harlingen
Timetable, Dallas-Fort Worth time
10:14AA 6243 from Durango La Plata County at the gate
16:37AA 3407 to Harlingen leaves the gate
6 h 23 apart on the timetable
The last days
AA 6243 and AA 3407 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.