AA 5098 then UA 3709 at Dulles
Owensboro → Washington → Portland (Maine)
Timetable, Washington time
12:50AA 5098 from Owensboro at the gate
12:40UA 3709 to Portland (Maine) leaves the gate
23 h 50 apart on the timetable, overnight
UA 3709 leaves 23 h 50 after AA 5098 arrives on the timetable: more than half a day, so not a connection we count.