The planes of Slovenia's flag carrier travelled 107 million passenger-kilometres in June, down 28% year-on-year, the agency said in a monthly transport sector report.
A spokesperson for Adria Airways said last month that the number of passengers carried by the company on charter and regular flights actually rose to 541,092 in the first half of 2017, from 492,081 in the corresponding period last year, with the 2016 figure excluding passengers whom Adria Airways aircraft carried on flights the airline operated on behalf of Estonia's Nordica last year. The cooperation agreement between Nordica and Adria Airways expired in November 2016.
Passenger traffic at Ljubljana airport grew 15% on the year in June to 155,990, the statistical agency said.
It added that 12,617 passengers were recorded in Slovene ports in June, up 7% on the year, with 8,770 of them cruise passengers.
In the Port of Koper 1.6 million tonnes of goods were handled, equal to the volume processed in June last year.