AS 286 then UA 3616 at Newark
Los Angeles → New York → St Louis
Timetable, New York time
15:30AS 286 from Los Angeles at the gate
07:00UA 3616 to St Louis leaves the gate
15 h 30 apart on the timetable, overnight
UA 3616 leaves 15 h 30 after AS 286 arrives on the timetable: more than half a day, so not a connection we count.