QR 2183 then JL 5892 at San Francisco
Los Angeles → San Francisco → Boston
Timetable, San Francisco time
23:27QR 2183 from Los Angeles at the gatealso BA 6449
22:10JL 5892 to Boston leaves the gate
22 h 43 apart on the timetable, overnight
JL 5892 leaves 22 h 43 after QR 2183 arrives on the timetable: more than half a day, so not a connection we count.