UA 367 then UA 1769 at San Francisco
Washington → San Francisco → Miami
Timetable, San Francisco time
01:29UA 367 from Washington at the gatealso LH 7530, VA 8388, NZ 9181
23:20UA 1769 to Miami leaves the gatealso CM 2876, NZ 2925, EK 6427, VA 8392
21 h 51 apart on the timetable
UA 1769 leaves 21 h 51 after UA 367 arrives on the timetable: more than half a day, so not a connection we count.