DL 1867 then DL 1284 at Atlanta
St. George → Atlanta → Houston
Timetable, Atlanta time
19:50DL 1867 from St. George at the gate
18:55DL 1284 to Houston leaves the gate
23 h 05 apart on the timetable, overnight
DL 1284 leaves 23 h 05 after DL 1867 arrives on the timetable: more than half a day, so not a connection we count.