🇺🇸 N443WN - Boeing 737NG 7H4/W - Southwest Airlines SWA3257/WN3257, San Francisco (SFO) to St Louis Lambert (STL) - 3.6 mi away @ 8375 ft, heading E at 356 mph. Spotted 78x before. [08:00:47 PM CDT] #A557C3 #N443WN #B737 #SOUTHWEST #SWA3257 #WN3257 #Landing #Arrival #ADSB #ADSBbot