Well North Texas was shut down for some time on Wed. Air Traffic Controller tested positive, therefore they shut down the building for disinfecting and cleaning. Caused some headaches on Wed for 2 big airlines Southwest and American Airlines. Early Thursday morning things are pretty much back to normal at Love Field with Southwest with only a minor 4 delays still being reported from shut down. However, over at DFW they are still experiencing 55 cancelled flights, along with 28 reported delays from the shut down. Some folks cruzed over to Love Field just to be able to get out and get back home.
https://www.yahoo.com/news/flights-being-halted-2-major-225216348.html
https://www.yahoo.com/news/flights-being-halted-2-major-225216348.html
