UA 1341 then UA 1031 at San Francisco
Detroit → San Francisco → Houston
Timetable, San Francisco time
19:31UA 1341 from Detroit at the gatealso OZ 9538
14:30UA 1031 to Houston leaves the gatealso EK 6418, NH 7336, CA 7344, VA 8083, NZ 9196
18 h 59 apart on the timetable, overnight
UA 1031 leaves 18 h 59 after UA 1341 arrives on the timetable: more than half a day, so not a connection we count.