AA 3735 then F9 3277 at DFW
Knoxville → Dallas-Fort Worth → Salt Lake City
Timetable, Dallas-Fort Worth time
17:43AA 3735 from Knoxville at the gate
16:00F9 3277 to Salt Lake City leaves the gate
22 h 17 apart on the timetable, overnight
F9 3277 leaves 22 h 17 after AA 3735 arrives on the timetable: more than half a day, so not a connection we count.