There is turbulence in the air travel industry. Consider: - Trade groups representing airlines are seeking a delay on the implementation date of new DOT rules that would, among other things, limit tarmac delays for international flights at U.S. airports and force airlines to fully disclose information on fees on their websites; - Data from the Bureau of Transportation Statistics show airlines made $3.4 billion from bag fees alone in 2010 — one analyst, in fact, said it was fees that kept the industry afloat; - Air travelers, while happier overall with service, remain irritated by such fees. Charlie Leocha, founder of the nonprofit advocacy group Consumer Travel Alliance, shared his thoughts about fees, advice for travelers and general feelings about the direction of the industry. Get the full story at msnbc