UA 2376 then UA 1949 at Houston
Atlanta → Houston → Dallas-Fort Worth
Timetable, Houston time
20:26UA 2376 from Atlanta at the gate
20:20UA 1949 to Dallas-Fort Worth leaves the gate
23 h 54 apart on the timetable, overnight
UA 1949 leaves 23 h 54 after UA 2376 arrives on the timetable: more than half a day, so not a connection we count.