BA 1524 then AT 910 at Barcelona
Chicago → Barcelona → Istanbul
Timetable, Barcelona time
09:50BA 1524 from Chicago at the gatealso AY 3828, IB 4382
14:55AT 910 to Istanbul leaves the gate
5 h 05 apart on the timetable
The last days
BA 1524 and AT 910 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.