DL 4654 then DL 1508 at Atlanta
Knoxville → Atlanta → San Antonio
Timetable, Atlanta time
09:44DL 4654 from Knoxville at the gate
22:54DL 1508 to San Antonio leaves the gate
13 h 10 apart on the timetable
DL 1508 leaves 13 h 10 after DL 4654 arrives on the timetable: more than half a day, so not a connection we count.