The executive director of the Travel Industry Council, Fanny Yeung, on Wednesday said Greater Bay Airlines' move to cancel scores of flights in the coming weeks won't have a significant impact, given the city's overall capacity.

Around 5,500 passengers are believed to have been affected by the cancellation of 128 flights in February and March.

The airline cited a delay in new aircraft delivery and the need for plane inspections for the move, which mostly affects its services to Japan, Thailand and South Korea.

"The number of affected passengers is around 5,000 plus, so it's still a very minor share when we compare with the overall flight capacity. So I don't think that will have a significant impact," Yeung told RTHK.

Nevertheless, the company should take steps to avoid a repeat of such issues, Yeung added.

In a statement, the low-cost carrier apologised for the cancellations and said it has already contacted customers regarding rebookings and refunds.

"An internal review in this matter has been carried out immediately and negligence was found in our flight scheduling process. We have also taken immediate action to tighten up the relevant approval procedure for flight scheduling," the statement said.

The airline also said no flights over the Lunar New Year are affected.

The carrier added that it is considering dropping its flights to Seoul because of unsatisfactory performance.