AA 6479 then B6 188 at LAX
Omaha → Los Angeles → Boston
Timetable, Los Angeles time
08:12AA 6479 from Omaha at the gate
20:30B6 188 to Boston leaves the gate
12 h 18 apart on the timetable
B6 188 leaves 12 h 18 after AA 6479 arrives on the timetable: more than half a day, so not a connection we count.