UA 3873 then UA 358 at Houston
Kansas City → Houston → Dallas-Fort Worth
Timetable, Houston time
10:47UA 3873 from Kansas City at the gate
07:20UA 358 to Dallas-Fort Worth leaves the gate
20 h 33 apart on the timetable, overnight
UA 358 leaves 20 h 33 after UA 3873 arrives on the timetable: more than half a day, so not a connection we count.