Flair Airlines has cancelled its biweekly flight from Windsor, Ontario to Montreal

The airlines also did not inform passengers that their trips have been cancelled

"I remember when I was booking, the dates went all the way into April," a customer said.

The airline decided to stop its service to Montreal from Windsor for the time being, source said

Airline representative said "passengers will receive full refunds."

Flair's flights to Tucson from Windsor are still available through the winter