AA 5211 then AA 849 at DFW
Knoxville → Dallas-Fort Worth → Boston
Timetable, Dallas-Fort Worth time
13:14AA 5211 from Knoxville at the gate
16:33AA 849 to Boston leaves the gate
3 h 19 apart on the timetable
The last days
AA 5211 and AA 849 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.