The total number of flights in Irish airspace has increased by just under 2%, according to the Irish Aviation Authority (IAA).
However, the numbers also revealed that international arrivals and departures for Shannon, Dublin and Cork airports dropped by 2% in February 2012, when compared to February 2011.
Traffic figures for February indicate that total flights in Irish airspace, which include flights that do not land in Ireland, have increased by 1.9%, when compared to February 2011.
There was an average of 1,249 daily flights during the month; the busiest day being 22 February with 1,375 flights in Irish airspace.
Flights at Dublin were down 1.4%, with an average of 369 daily commercial movements at Dublin, while Cork saw a 4% fall, with an average of 48 commercial daily movements.
Flights at Shannon were down 5.1%, with an average of 42 commercial daily movements there.