Wiktionary
n. flag carrier (A transportation company, such as a shipping or airline company, that is registered in a given state)
Usage examples of "national airline".
Its airport, always vital since the founding of the national airline decades before, was as grand and modern as any in the western world and was the main port of entry for foreign airliners, almost as if Brazil were intent on reminding all its visitors that there was more to the country than Rio and Sao Paulo.
Within four hours, the plush, brand-new airliners of the national airline started lifting off, headed southwest over Saudi Arabia, and later turned north, up the Gulf of Aqaba.
Before he left I vaguely recall casually mentioning that I had a lightskinned Indonesian girl friend named Penny, who was going to attend the Olympic games as a representative for our national airline, KLM.
I didnt think the friendship was close enough to allow Syrian law enforcement to use Israels national airline, said Petra.
Vaughn remembered that the national airline of the former USSR had close connections with the Russian military services.
On its corrugated light-alloy metal skin were painted the words iberia line as aere as espanol as This was a German-manufactured craft in the service of the Spanish national airline, probably left over from the Spanish Civil War.
Thinking of the early days when he would fly on the national airline of China: CAAC—.