IB 344 then FB 1403 at Madrid
Chicago → Madrid → Tenerife North
Timetable, Madrid time
09:55IB 344 from Chicago at the gate
18:05FB 1403 to Tenerife North leaves the gatealso I2 1581, IB 1581, LA 1641, VY 5224, AV 6030, QR 6995, BA 7229
8 h 10 apart on the timetable
The last days
IB 344 and FB 1403 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.