UA 216 then AF 2134 at San Francisco
Dallas-Fort Worth → San Francisco → Detroit
Timetable, San Francisco time
12:42UA 216 from Dallas-Fort Worth at the gatealso AC 3154, VA 8519, NZ 9091
11:40AF 2134 to Detroit leaves the gate
22 h 58 apart on the timetable, overnight
AF 2134 leaves 22 h 58 after UA 216 arrives on the timetable: more than half a day, so not a connection we count.