QF 3760 then AA 1253 at San Francisco
San Diego → San Francisco → Chicago O'Hare
Timetable, San Francisco time
13:56QF 3760 from San Diego at the gate
10:34AA 1253 to Chicago O'Hare leaves the gatealso IB 4495, QF 4697, PD 6338, GF 6456, EI 7303
20 h 38 apart on the timetable, overnight
AA 1253 leaves 20 h 38 after QF 3760 arrives on the timetable: more than half a day, so not a connection we count.