UA 2268 then UA 3752 at Dulles
Los Angeles → Washington → Lafayette Purdue University
Timetable, Washington time
16:23UA 2268 from Los Angeles at the gate
12:05UA 3752 to Lafayette Purdue University leaves the gate
19 h 42 apart on the timetable, overnight
UA 3752 leaves 19 h 42 after UA 2268 arrives on the timetable: more than half a day, so not a connection we count.