airBaltic has made this announcement:

Due to the growing demand of airBaltic services in Lithuania, airBaltic has created a special livery of its Airbus A220-300 aircraft dedicated to Lithuania.
Now airBaltic’s Airbus A220-300 aircraft registered as YL-CSK is carrying the colors of the Lithuanian flag and the name of its capital – Vilnius.

Photo: airBaltic.
During the first six months of 2019 airBaltic has transported over 240 000 passengers to and from Lithuania. The airline has carried 20% more passengers in Lithuania to its network spanning Europe, Scandinavia, Russia, CIS and the Middle East than during the same period last year.
As informed previously, starting from winter season of 2019 airBaltic will also station one of its new Airbus A220-300 aircraft in Vilnius, in order to serve the growing range of destinations offered to Lithuanian passengers.
airBaltic serves over 70 destinations from Riga, Tallinn and Vilnius, offering the largest variety of destinations and convenient connections via Riga to its network spanning Europe, Scandinavia, the CIS and the Middle East.