F9 1447 then UA 1995 at San Francisco
Atlanta → San Francisco → Las Vegas
Timetable, San Francisco time
20:40F9 1447 from Atlanta at the gate
19:00UA 1995 to Las Vegas leaves the gatealso LX 3307, AC 3942, AZ 4490, VA 8117, NZ 9220, LH 9228
22 h 20 apart on the timetable, overnight
UA 1995 leaves 22 h 20 after F9 1447 arrives on the timetable: more than half a day, so not a connection we count.