Ronaldsway airport is asking passengers to arrive two hours before their flights make sure they're on time.
On its website, the airport says the terminal is busier than usual because of the large number of passengers during TT.
It's advising travellers to leave extra time to make sure they make it to their flights.
To make sure people can get through security promptly, it's asking them to arrive two hours before they're due to set off.
Stop putting knives in recycling, says council
Bee Gees to release limited-edition box set
Northern Irish politician criticises Manx visa rules
Elective surgical unit opens at hospital
Piling rig on TT course tonight
10-day bus strike from next weekend
Yellow snow warning issued by forecasters
Ramsey harbour keeper completes 3,000-Mile Atlantic crossing