UA 6212 then UA 3235 at Houston
Baltimore → Houston → Little Rock
Timetable, Houston time
15:29UA 6212 from Baltimore at the gate
07:15UA 3235 to Little Rock leaves the gate
15 h 46 apart on the timetable, overnight
UA 3235 leaves 15 h 46 after UA 6212 arrives on the timetable: more than half a day, so not a connection we count.