Delta and United face lawsuits over window seats

Delta Air Lines Inc (NYSE:DAL) and United Airlines Holdings Inc (NASDAQ:UAL, ETR:UAL1) are facing lawsuits from passengers who say they paid extra for window seats but ended up next to blank walls. The cases, filed by law firm Greenbaum Olbrantz, seek millions of dollars in damages and refunds for more than a million customers of each airline.