UA 1970 then UA 1387 at San Francisco
Cleveland → San Francisco → Houston
Timetable, San Francisco time
21:45UA 1970 from Cleveland at the gatealso VA 8489, NZ 9046, OZ 9526
12:00UA 1387 to Houston leaves the gatealso EK 6417
14 h 15 apart on the timetable, overnight
UA 1387 leaves 14 h 15 after UA 1970 arrives on the timetable: more than half a day, so not a connection we count.