Federal Aviation Administration September 5, 2023 11:22 am Nationwide ground stop lifted for United Airlines flights The Federal Aviation Administration said the airline had requested the ground stop at all airports. US & World Videos 5:38 DeSantis on Hurricane Milton: ‘There's already been 116 tornado warnings with 19 confirmed touchdowns' 0:51 Watch: Traffic cam captures tornado moving through St. Lucie 4:04 Race against time as Hurricane Milton approaches 5:53 Biden on Hurricane Milton: ‘At this point evacuation is probably difficult' 0:36 Trooper saves dog tied to fence as Hurricane Milton rolls in