PenAir announced on Monday they will be filing Chapter 11 reorganization that will end up closing their Portland, Oregon, and Denver, Colorado, hubs.

PenAir was the Essential Air Service provider for the Dodge City Regional Airport with a triangular route between Dodge City, Liberal and Denver.

"We are greatly shocked and disappointed to receive this news," said Corey Keller, Dodge City Regional Airport manager in a press release. "We have already been in contact with the Department of Transportation, who administer the EAS program, to talk about our plan to move forward."

Other locations affected are Crescent City, California and Portland, Oregon regional routes, and EAS routes between North Platte, Kearney and Scottsbluff, Nebraska.

If the filing request with DOT is approved, it will take 30 to 90 days for a new carrier carrier can be put in the market.

"The steps we are taking today will allow PenAir to emerge as a stronger airline, while continuing our focus on safe operations," said PenAir CEO and Chairman Danny Seybert in a press release. "We will be working with a restructuring officer to present a reorganization plan that will allow the management team to focus on our employees, safe operations, retiring debt and taking care of our customers.

"Our employees are a key part of our success, and we are doing everything we can to keep our PenAir family intact."

PenAir took their first flight for Dodge City on Oct. 27, 2016 after taking over for Great Lakes.

Negotiations started in March 2016 on changing the EAS provider that ended with PenAir launching.

Please contact PenAir at 800-448-4226 for questions about tickets previously purchased.