Finnair is currently leasing an A330 from Iberia because of the crew shortage at the airline due to training of the A330 crew to certify them for the incoming A350s that will join the fleet in 2017.
The aircraft was supposed to operate the flights between Jan 7th and the 31st, but will now operate the flights until 30 April.
The flights are flown three times a week. Schedule from airlineroute :
AY007 HEL1655 – 2105MIA 333 246
AY008 MIA2255 – 1530+1HEL 333 246