🇺🇸 N8993Q - BOEING 737 MAX 8 - SOUTHWEST AIRLINES CO SWA3543/WN3543, St Louis Lambert (STL) to Portland (PDX) - 4.9 mi away @ 12125 ft, heading WNW at 391 mph. Spotted 20x before. [10:55:12 PM CDT] #AC6993 #N8993Q #B38M #SWA3543 #WN3543 #TakingOff #Departure #ADSB #ADSBbot