IB 2632 then IB 420 at Barcelona
New York JFK → Barcelona → Madrid
Timetable, Barcelona time
13:10IB 2632 from New York JFK at the gatealso LL 2632
18:55IB 420 to Madrid leaves the gatealso IB 420S, LA 1586, LL 3020, VY 5090, AV 6153, QR 6895
5 h 45 apart on the timetable
The last days
IB 2632 and IB 420 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.