The longest government shutdown in history could soon come to an end, but the airline sector is still suffering its impact, with many flights delayed or canceled. Air traffic controllers have now missed a second paycheck and the Trump administration ordered airlines to cut flights at 40 U.S. airports on Friday. While flights are already down 5.5%, that figure could grow to 10% by the end of the week. Airline stocks are having a negative reaction to today's turmoil. American Airlines (NASDAQ:AAL) shares were ...