UA 4044 then UA 6146 at Houston
Midland → Houston → Little Rock
Timetable, Houston time
18:46UA 4044 from Midland at the gate
18:10UA 6146 to Little Rock leaves the gate
23 h 24 apart on the timetable, overnight
UA 6146 leaves 23 h 24 after UA 4044 arrives on the timetable: more than half a day, so not a connection we count.