CZ 1604 then UA 8187 at San Francisco
Los Angeles → San Francisco → Washington National
Timetable, San Francisco time
23:40CZ 1604 from Los Angeles at the gatealso AA 3176, AY 4048, QF 4743, EI 7533
15:23UA 8187 to Washington National leaves the gate
15 h 43 apart on the timetable, overnight
UA 8187 leaves 15 h 43 after CZ 1604 arrives on the timetable: more than half a day, so not a connection we count.