🇺🇸 N8603F - Boeing 737NG 8H4/W - Southwest Airlines SWA3149/WN3149, Seattle-Tacoma (SEA) to St Louis Lambert (STL) - 4.0 mi away @ 8400 ft, heading ESE at 331 mph. Spotted 83x before. [03:22:27 PM CDT] #ABD19E #N8603F #B738 #SOUTHWEST #SWA3149 #WN3149 #Landing #Arrival #ADSB #ADSBbot