UA 3907 then AA 4148 at O'Hare
Amsterdam → Chicago → Cleveland
Timetable, Chicago time
15:26UA 3907 from Amsterdam at the gate
18:25AA 4148 to Cleveland leaves the gate
2 h 59 apart on the timetable
The last days
UA 3907 and AA 4148 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.