DL 3098 then UA 2376 at Atlanta
Savannah → Atlanta → Houston
Timetable, Atlanta time
06:42DL 3098 from Savannah at the gate
18:56UA 2376 to Houston leaves the gate
12 h 14 apart on the timetable
UA 2376 leaves 12 h 14 after DL 3098 arrives on the timetable: more than half a day, so not a connection we count.