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

🇺🇸 N7873A - Boeing 737NG 7Q8/W - Southwest Airlines SWA4198/WN4198 - 3.6 mi away @ 9500 ft, heading WSW at 295 mph. Spotted 56x before! [08:51:57 PM CST] #AAAD49 #N7873A #B737 #SOUTHWEST #SWA4198 #WN4198 #TakingOff #ADSB #ADSBbot

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

🇺🇸 N969WN - Boeing 737NG 7H4/W - Southwest Airlines SWA4198/WN4198, St Louis Lambert (STL) to San Diego (SAN) - 3.2 mi away @ 10900 ft, heading SW at 275 mph. Spotted 63x before! [08:12:59 PM CST] #AD7F96 #N969WN #B737 #SOUTHWEST #SWA4198 #WN4198 #TakingOff #Departure #STL #ADSB