Travelers heading to airports this week may face more flight disruptions as air traffic controllers missed their first full paycheck late last month and with the  government shutdown  on the cusp of becoming the longest in U.S. history. Almost 6,000 U.S. flights were delayed on Sunday, Nov. 2, according to FlightAware, a flight tracking service. Newark Liberty Airport on Sunday had a four-hour ground delay, while staffing triggers — a Federal Aviation Administration alert system to indicate an