AA 3254 then UA 216 at DFW
Kansas City → Dallas-Fort Worth → San Francisco
Timetable, Dallas-Fort Worth time
10:00AA 3254 from Kansas City at the gate
09:00UA 216 to San Francisco leaves the gate
23 h apart on the timetable, overnight
UA 216 leaves 23 h after AA 3254 arrives on the timetable: more than half a day, so not a connection we count.