UA 6047 then AA 2467 at O'Hare
Pittsburgh → Chicago → Los Angeles
Timetable, Chicago time
19:00UA 6047 from Pittsburgh at the gate
18:45AA 2467 to Los Angeles leaves the gate
23 h 45 apart on the timetable, overnight
AA 2467 leaves 23 h 45 after UA 6047 arrives on the timetable: more than half a day, so not a connection we count.