The 04:15 from Arinsal is scheduled to get to the airport around 08:00, so is two hours before your flight. Personally I'd think you'd be ok on that.
Steve
Transfers
Nik h
Hi ya looking to book flights out to you from standstead to Barcelona El prat, on 8 th March coming home on the 15th March our flight time is 10-15 leaving Barcelona is the 04-15 transfer back to the airport going to be ok?