UA 2278 then VA 8085 at San Francisco
San Diego → San Francisco → Houston
Timetable, San Francisco time
21:25UA 2278 from San Diego at the gatealso CM 2519, AC 4236, VA 8439
16:40VA 8085 to Houston leaves the gate
19 h 15 apart on the timetable, overnight
VA 8085 leaves 19 h 15 after UA 2278 arrives on the timetable: more than half a day, so not a connection we count.