Southwest Airlines ground stop lifted after 'system issues' impact flights again Tuesday The FAA confirmed Southwest flights were temporarily grounded nationwide Tuesday while the airline worked to fix a 'reservation computer issue.' Author: Andrew Weil Updated: 4:49 PM EDT June 15, 2021 WASHINGTON — Southwest Airlines is dealing with technology issues for the second straight day that is impacting flights around the country. "We are aware of system issues and are working quickly to resolve. We will share more info soon," Southwest Airlines tweeted around 2 p.m. Eastern on Tuesday. The airline confirmed in an email that it is, "in the process of resuming normal operations after a brief pause in our flight activity resulting from intermittent performance issues," Tuesday, but gave no timetable as to when normal operations would resume.