GateConnections

AA 1670 then UA 3907 at O'Hare

Orlando → Chicago → Washington

Timetable, Chicago time

13:53AA 1670 from Orlando at the gate

12:00UA 3907 to Washington leaves the gate

22 h 07 apart on the timetable, overnight

UA 3907 leaves 22 h 07 after AA 1670 arrives on the timetable: more than half a day, so not a connection we count.