Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N8677A - Boeing 737NG 8H4/W - Southwest Airlines SWA4744/WN4744 (STL-LIT-HOU-BWI-MHT) - 3.4 mi away @ 10575 ft, heading SW at 319 mph. Spotted 91x before! [01:19:40 PM CDT] #ABEC26 #N8677A #B738 #SOUTHWEST #SWA4744 #WN4744 #TakingOff #ADSB #ADSBbot