(Warwick, RI)--Sun Country Airlines is canceling seasonal flight service early at T.F. Green Airport.The Rhode Island Airport Corporation says the budget airline is ending its flights to Minneapolis-St. Paul, Las Vegas, Nashville and New Orleans after October 28th instead of the first four months of 2020.The airport corporation says the 737 Max plane situation is putting a higher demand on airplane availability.Officials say Sun Country is scheduled to re-start seasonal service in April, but that the company is still evaluating its schedule for next year.