Ryanair has said its passenger numbers grew by 21% to reach 7.71 million in November.
This compares to 6.35 million the same month last year.
The airline also said it load factor - how many seats it fills on each flight - rose 5% points to 93%.
So far this year, Ryanair has carried a record 99.9 million passengers following improvements to its customer service.
The airline's chief marketing officer, Kenny Jacobs, said the November numbers and load factors are due to its lower fares, stronger forward bookings and the continuing success of its Always Getting Better customer experience programme.
The airline is set to introduce a new website, app, crew uniform and inflight menu over the next 12 months.
Earlier this week Ryanair launched legal action against Google and travel website eDreams over claims that consumers are being conned into mistakenly believing they are booking flights direct with the carrier.
Searches for Ryanair on Google can result in a paid advert for eDreams at the top of the page, which the airline described as a link to a "copycat website with identical Ryanair branding in order to deceive consumers".
The case has been taken to the High Court for alleged breach of consumer protection legislation and trademark infringement.