Frontier discontinuing some routes for winter season

** FILE ** In this May, 24, 2006 file photo, a long line of Frontier Airlines Airbus 319's sit at the gates on concourse A at Denver International Airport. While past recessions have spawned ultra-cheap airlines, experts say the triple-digit oil prices that are pushing air travel out of reach for average Americans also will almost certainly keep a no-frills carrier from entering the market soon. (AP Photo/David Zalubowski, File)

Credit: Kelly Yamanouchi

Credit: Kelly Yamanouchi

** FILE ** In this May, 24, 2006 file photo, a long line of Frontier Airlines Airbus 319's sit at the gates on concourse A at Denver International Airport. While past recessions have spawned ultra-cheap airlines, experts say the triple-digit oil prices that are pushing air travel out of reach for average Americans also will almost certainly keep a no-frills carrier from entering the market soon. (AP Photo/David Zalubowski, File)

Ultra low-cost carrier Frontier Airlines will discontinue a number of its routes from Atlanta for the winter season.

Denver-based Frontier will discontinue flights from Hartsfield-Jackson International Airport to Indianapolis, Memphis, Milwaukee and Raleigh-Durham at the end of August.

It will also discontinue flights from Hartsfield-Jackson to Austin, Cleveland, Cincinnati, Houston, Kansas City, San Antonio, Pittsburgh and St. Louis at the end of October.

FILE - In this Oct. 15, 2014 file photo, a Frontier Airlines employee directs passengers at Cleveland Hopkins International Airport in Cleveland. There are few businesses that consumers love to hate more than airlines, but travelers seem to reserve a special level of vitriol for the no-frills, discount airlines. (AP Photo/Tony Dejak, File)

Credit: Kelly Yamanouchi

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Credit: Kelly Yamanouchi

The route changes are "seasonal adjustments," according to Frontier spokesman Jim Faulkner. "We'll evaluate the performance of these markets and then determine which ones will return next year.

Remaining are Frontier's year-rund flights from Atlanta to Denver, Los Angeles, New York LaGuardia, Las Vegas, Orlando, Miami, San Francisco and Salt Lake City.