GateConnections

F9 1191 then UA 3900 at San Francisco

Phoenix → San Francisco → Rio De Janeiro

Timetable, San Francisco time

16:02F9 1191 from Phoenix at the gatealso Y4 2088

16:00UA 3900 to Rio De Janeiro leaves the gate

23 h 58 apart on the timetable, overnight

UA 3900 leaves 23 h 58 after F9 1191 arrives on the timetable: more than half a day, so not a connection we count.