🇺🇸 N8579Z - Boeing 737NG 800/W - Southwest Airlines SWA3538/WN3538, Chicago Midway (MDW) to Dallas Love Field (DAL) - 5.0 mi away @ 37525 ft, heading SW at 470 mph. Spotted 108x before. [04:21:39 PM CDT] #ABC504 #N8579Z #B738 #SOUTHWEST #SWA3538 #WN3538 #ADSB #ADSBbot