Columbia Regional Airport
Airfield in Bethalto, Ill. is on list of those at risk of losing FAA control tower funding.
Frontier posted on its website that service between the two cities would be discontinued after May 13.
Columbia city officials said Delta rejected a $3 million revenue guarantee over two years to continue providing routes to Atlanta and Memphis.
Beginning in September, most flights from Columbia Regional Airport will fly to Atlanta, rather than Memphis.
The hospital’s trustees and Boone County commissioners agreed to the lease extension earlier this week.