OZ 6344 then UA 2019 at San Francisco
St Louis → San Francisco → Phoenix
Timetable, San Francisco time
21:41OZ 6344 from St Louis at the gate
18:55UA 2019 to Phoenix leaves the gatealso AC 4465, AZ 4503, LH 9366, NZ 9370
21 h 14 apart on the timetable, overnight
UA 2019 leaves 21 h 14 after OZ 6344 arrives on the timetable: more than half a day, so not a connection we count.