The number of passengers going through Vietnamese airports is estimated to hit 106 million by the end of this year, a rise of 12.9 percent year-on-year, according to the Civil Aviation Authority of Vietnam.

Domestic airlines will have carried more than 50 million passengers during the year-long period, up 14 percent from the previous year.

As of mid-November this year, Vietnam’s domestic carriers reported about 12,400 delayed flights at the Noi Bai International Airport, equivalent to 14.13 percent of total flights, according to statistics from the Northern Airports Authority.

The late return of planes was the main cause of delays and cancellations. Other reasons include airports’ limited infrastructure and services, flight management and operation, weather, and technical issues./.–VNA