Aer Lingus Regional had its third successive record-breaking month in August.
The airline, which is operated by Stobart Air, carried 143,943 passengers in August, a 19pc increase on the same month in 2013.
It is the the 14th consecutive month of passenger growth at the airline
Over 900,000 passengers have been flown on the Aer Lingus Regional network since the beginning of the calendar year, an increase of 176,000 (up 24pc) passengers compared to the same period in 2013.
Chief Commercial Officer of Stobart Air Simon Fagan said:
"I am delighted that Aer Lingus Regional has had a third consecutive month of record breaking passenger numbers, and a 14th consecutive month of growth. We have broken the 140,000 mark in passenger numbers for the second time.
"Since the start of the year, the airline has flown over 900,000 passengers, 176,000 more than this time last year. Passengers are continuing to respond to our strong route network and the connectivity we offer to mainline Aer Lingus services. From next month we will be operating our new Dublin - Leeds Bradford service which will enable more passengers to avail of easy transatlantic connectivity at Dublin airport.
"We are very encouraged by the continuing growth in passengers from the UK transferring to Aer Lingus's transatlantic services out of Dublin and Shannon.