DL 1091 then Y4 2243 at San Francisco
Salt Lake City → San Francisco → Dallas-Fort Worth
Timetable, San Francisco time
23:59DL 1091 from Salt Lake City at the gatealso VS 4542
23:47Y4 2243 to Dallas-Fort Worth leaves the gatealso F9 2930
23 h 48 apart on the timetable, overnight
Y4 2243 leaves 23 h 48 after DL 1091 arrives on the timetable: more than half a day, so not a connection we count.