AA 3049 then UA 6060 at O'Hare
San Francisco → Chicago → Lancaster
Timetable, Chicago time
20:20AA 3049 from San Francisco at the gate
16:55UA 6060 to Lancaster leaves the gate
20 h 35 apart on the timetable, overnight
UA 6060 leaves 20 h 35 after AA 3049 arrives on the timetable: more than half a day, so not a connection we count.