🇺🇸 N8329B - Boeing 737NG 8H4/W - Southwest Airlines SWA4073/WN4073, St Louis Lambert (STL) to William P Hobby (HOU) - 4.1 mi away @ 12550 ft, heading SSW at 369 mph. Spotted 105x before. [05:06:11 AM CDT] #AB635D #N8329B #B738 #SOUTHWEST #SWA4073 #WN4073 #Landing #Departure #ADSB #ADSBbot