AA 3720 then AA 4078 at DFW
Chihuahua → Dallas-Fort Worth → Chattanooga
Timetable, Dallas-Fort Worth time
08:03AA 3720 from Chihuahua at the gate
08:40AA 4078 to Chattanooga leaves the gate
37 min apart on the timetable
The last days
AA 3720 and AA 4078 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.