UA 2106 then QR 3391 at San Francisco
Chicago O'Hare → San Francisco → Everett
Timetable, San Francisco time
00:53UA 2106 from Chicago O'Hare at the gatealso AC 4373, VA 8090, LH 8778, NZ 9329
15:20QR 3391 to Everett leaves the gate
14 h 27 apart on the timetable
QR 3391 leaves 14 h 27 after UA 2106 arrives on the timetable: more than half a day, so not a connection we count.