LR 640 then UA 2303 at LAX
Guatemala City → Los Angeles → Newark
Timetable, Los Angeles time
10:55LR 640 from Guatemala City at the gate
23:00UA 2303 to Newark leaves the gate
12 h 05 apart on the timetable
UA 2303 leaves 12 h 05 after LR 640 arrives on the timetable: more than half a day, so not a connection we count.