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

🇺🇸 N7749B - Boeing 737NG 7BD/W - Southwest Airlines SWA2278/WN2278 (DCA-MSY-SAT-MDW) - 4.3 mi away @ 34725 ft, heading NE at 618 mph. Spotted 93x before! [06:27:25 PM CST] #AA7B78 #N7749B #B737 #SOUTHWEST #SWA2278 #WN2278 #ADSB #ADSBbot