AA 644 then AA 1621 at DFW
Salt Lake City → Dallas-Fort Worth → Northwest Arkansas
Timetable, Dallas-Fort Worth time
10:45AA 644 from Salt Lake City at the gate
16:48AA 1621 to Northwest Arkansas leaves the gate
6 h 03 apart on the timetable
The last days
AA 644 and AA 1621 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.