🇺🇸 N447WN - Boeing 737NG 7H4/W - Southwest Airlines SWA1587/WN1587, St Louis Lambert (STL) to Phoenix Sky Harbor (PHX) - 5.5 mi away @ 8750 ft, heading SSW at 317 mph. Spotted 77x before. [05:18:22 PM CDT] #A5669F #N447WN #B737 #SOUTHWEST #SWA1587 #WN1587 #TakingOff #Departure #ADSB #ADSBbot