I think this airline acted as a feeder for ATA.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/130275500@N02">G B_NZ</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/130275500@N02/15963607260/">Chicago - Express AirlinesN828JS at MDW</a>