Brussels Airlines transported more than 7.5 million people in 2015, representing a 12.1 per cent growth in passengers compared to 2014.
The carrier launched 13 new routes in 2015, with flights to Accra, Bremen, Tenerife, Gran Canaria, Billund, Zagreb, Bordeaux, Dubrovnik, Lourdes, St Petersburg, Calvi, Olbia and Ibiza.
The carrier also announced year round routes to Belfast as of March 27 this year. An Avro RJ100 will make the trip five times-weekly, whilst the airline has plans to purchase two A330s within the next eighteen months.
Brussels Airlines currently operates three A330-200s and five A330-300s.
Both Brussels Airlines and United are stepping in to fill the gap left by the imminent departure of Jet Airways.
The former launches a five times a week Toronto service from the beginning of April while the latter will operate a second daily flight to New York Newark between May and the end of October.
Bernard Gustin, Brussels Airlines CEO, said: “Our broad network and new commercial strategy are becoming more popular by the day. In the light of today’s fierce competition in the airline industry, we are very pleased with this result".
The carrier’s also launched a new loyalty scheme, Loop, in October last year.