AA 1854 then QR 2134 at San Francisco
Chicago O'Hare → San Francisco → Boise
Timetable, San Francisco time
21:56AA 1854 from Chicago O'Hare at the gatealso QF 4325, BA 5508, EI 7494, RJ 7961, IB 8297
18:47QR 2134 to Boise leaves the gate
20 h 51 apart on the timetable, overnight
QR 2134 leaves 20 h 51 after AA 1854 arrives on the timetable: more than half a day, so not a connection we count.