F9 2633 then UA 571 at Atlanta
Baltimore → Atlanta → San Francisco
Timetable, Atlanta time
09:14F9 2633 from Baltimore at the gate
07:00UA 571 to San Francisco leaves the gate
21 h 46 apart on the timetable, overnight
UA 571 leaves 21 h 46 after F9 2633 arrives on the timetable: more than half a day, so not a connection we count.