UA 4430 then SY 1776 at Philadelphia
Washington → Philadelphia → Minneapolis
Timetable, Philadelphia time
14:16UA 4430 from Washington at the gate
10:15SY 1776 to Minneapolis leaves the gate
19 h 59 apart on the timetable, overnight
SY 1776 leaves 19 h 59 after UA 4430 arrives on the timetable: more than half a day, so not a connection we count.