don't support the size that the operation has become. >> the company issued this statement quote, southwest airlines extends a tremendous apology to our customers and employees for the flight cancellations and delays which occurred over the weekend and on monday. the airline says it is working around the clock to restore its full schedule as quickly as possible and the pilots' union says its members will work hard to get passengers safely to their destinations on time during the upcoming holiday travel season. back to you. >> bill: from atlanta to the border. a huge caravan, tens of thousands of migrants making their way to the u.s. from central america. construction on the border wall is dead in the water. maria bartiromo took a chopper tour with the state attorney general ken paxton. here is part of that. >> what is the biggest numbers in terms of the biggest groups that you've encountered