The Lisbon-Porto air shuttle was the airline’s busiest route with a total of 726,000 passengers, 8 percent more than the year before.
European routes contributed most to the overall figures with 8.7 million passengers in the 12 months, more than 22 percent up on 2016.
The North American market grew 54.5 percent to 729,000, while connections to Brazil increased 14 percent to 1.6 million passengers.