AA 5195 then UA 225 at Philadelphia
Omaha → Philadelphia → San Francisco
Timetable, Philadelphia time
17:40AA 5195 from Omaha at the gate
16:38UA 225 to San Francisco leaves the gate
22 h 58 apart on the timetable, overnight
UA 225 leaves 22 h 58 after AA 5195 arrives on the timetable: more than half a day, so not a connection we count.