AV 2347 then UA 2042 at San Francisco
Burbank → San Francisco → Denver
Timetable, San Francisco time
11:18AV 2347 from Burbank at the gate
06:16UA 2042 to Denver leaves the gatealso AC 5438, VA 8336, NZ 9052
18 h 58 apart on the timetable, overnight
UA 2042 leaves 18 h 58 after AV 2347 arrives on the timetable: more than half a day, so not a connection we count.