CZ 1604 then UA 1835 at San Francisco
Los Angeles → San Francisco → Denver
Timetable, San Francisco time
23:40CZ 1604 from Los Angeles at the gatealso AA 3176, AY 4048, QF 4743, EI 7533
16:24UA 1835 to Denver leaves the gatealso AC 4868, EK 6360, VA 8340, NZ 9061
16 h 44 apart on the timetable, overnight
UA 1835 leaves 16 h 44 after CZ 1604 arrives on the timetable: more than half a day, so not a connection we count.