UA 4959 then UA 367 at Dulles
Greenville-Spartanburg → Washington → San Francisco
Timetable, Washington time
09:04UA 4959 from Greenville-Spartanburg at the gate
22:20UA 367 to San Francisco leaves the gate
13 h 16 apart on the timetable
UA 367 leaves 13 h 16 after UA 4959 arrives on the timetable: more than half a day, so not a connection we count.