US ground stop: over 6,600 flights canceled Saturday

The FAA halted flights nationwide on Friday November 13, and FlightAware counted more than 6,600 US cancellations on Saturday. Officials said a router overloaded air traffic control while a contractor upgraded old wiring. They expect airline schedules to fully recover by the end of Sunday. Stanley Druckenmiller and Buffett Wallet both hold Delta Air Lines (DAL).