AV 2347 then UA 2803 at San Francisco
Burbank → San Francisco → Denver
Timetable, San Francisco time
20:08AV 2347 from Burbank at the gate
13:00UA 2803 to Denver leaves the gatealso AC 4049, CA 7309, NH 7310, VA 8338, NZ 9056
16 h 52 apart on the timetable, overnight
UA 2803 leaves 16 h 52 after AV 2347 arrives on the timetable: more than half a day, so not a connection we count.