Money Law firm calls for US investigation after Chick-fil-A gets banned from San Antonio airport March 28, 2019April 2, 2019Dalvin Brown, USA TODAYComments Off on Law firm calls for US investigation after Chick-fil-A gets banned from San Antonio airport A Texas law firm sent a letter to Transportation Secretary Elaine Chao calling for an investigation into why Chick-fil-A was banned from an airport.