UA 480 then UA 1036 at Houston
Columbus (Ohio) → Houston → Baltimore
Timetable, Houston time
18:58UA 480 from Columbus (Ohio) at the gate
18:40UA 1036 to Baltimore leaves the gate
23 h 42 apart on the timetable, overnight
UA 1036 leaves 23 h 42 after UA 480 arrives on the timetable: more than half a day, so not a connection we count.