UA 3918 then AA 9867 at O'Hare
West Palm Beach → Chicago → Traverse City
Timetable, Chicago time
11:55UA 3918 from West Palm Beach at the gate
16:30AA 9867 to Traverse City leaves the gate
4 h 35 apart on the timetable
The last days
UA 3918 and AA 9867 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.