🇺🇸 N8690A - Boeing 737NG 8H4/W - Southwest Airlines SWA4574/WN4574, Austin-Bergstrom (AUS) to Chicago Midway (MDW) - 5.8 mi away @ 41425 ft, heading NE at 518 mph. Spotted 100x before. [10:01:16 PM CDT] #ABF29F #N8690A #B738 #SOUTHWEST #SWA4574 #WN4574 #ADSB #ADSBbot