Air Serbia is continuing to increase its operations for the upcoming winter season, which begins on October 29, with the carrier to boost frequencies on flights from Belgrade to Ljubljana, Vienna and Zagreb. Services to the Slovenian capital will operate nineteen weekly during the winter, up from fourteen weekly both last winter and this summer. There will be three daily flights on Mondays, Wednesdays, Fridays, Saturdays and Sundays. Monday morning departures will see the Embraer jet deployed instead of the usual ATR72 turboprop aircraft. The carrier will also maintain nineteen weekly rotations to Vienna, up from fourteen weekly last winter and eighteen weekly operated this summer. There will be three daily flights on the route on Mondays, Wednesdays, Thursdays, Fridays and Sundays. The carrier will also increase capacity on the Vienna service with select flights during the week operated by Embraer and A320-family aircraft instead of the usual ATR72. Zagreb will be increased from eleven weekly last winter and fourteen weekly this summer to seventeen weekly this winter season, with three daily flights on Mondays, Wednesdays and Fridays.