UA 4456 then UA 3986 at Houston
Baton Rouge → Houston → Des Moines
Timetable, Houston time
06:21UA 4456 from Baton Rouge at the gate
20:05UA 3986 to Des Moines leaves the gate
13 h 44 apart on the timetable
UA 3986 leaves 13 h 44 after UA 4456 arrives on the timetable: more than half a day, so not a connection we count.