IAM MX, TWU Agree To Seniority Integration 4/29/2013 robben1999 Home, Mechanics and Related May 14, 2013May 14, 2013 1 Minute USAir MX and AA MX agree on seniority integration for pending merger. Click to access USA_2013-46.pdf Share this:FacebookTwitterEmailPrintLike this:Like Loading... Related Published by robben1999 View all posts by robben1999 Published May 14, 2013May 14, 2013