You need to talk to an attorney about this, give him or her all the facts -- and I'm familiar with ADA lawsuits, so I'm sure this is a fairly long story.  That is the only way to get reliable advice on this.  One place to find an attorney is our website, http://attorneypages.comADA lawsuits are not usually at all simple, even for experienced lawyers. Depending on the facts -- particularly if this is about something that happened to you as a passenger -- the airlines operate under different rules than most other businesses, and a case like this can be very difficult to win.  A lot of the times, it's impossible.