AA 3046 then UA 3910 at O'Hare
Seattle (SEA) → Chicago → Newark
Timetable, Chicago time
23:45AA 3046 from Seattle (SEA) at the gate
23:30UA 3910 to Newark leaves the gate
23 h 45 apart on the timetable, overnight
UA 3910 leaves 23 h 45 after AA 3046 arrives on the timetable: more than half a day, so not a connection we count.