AA 1107 then UA 1780 at DFW
Houston → Dallas-Fort Worth → San Francisco
Timetable, Dallas-Fort Worth time
16:09AA 1107 from Houston at the gate
15:16UA 1780 to San Francisco leaves the gate
23 h 07 apart on the timetable, overnight
UA 1780 leaves 23 h 07 after AA 1107 arrives on the timetable: more than half a day, so not a connection we count.