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

🇺🇸 N7885A - Boeing 737NG 76N/W - Southwest Airlines SWA4843/WN4843, Baltimore/Washington Thurgood Marshall (BWI) to Los Angeles (LAX) - 4.3 mi away @ 36250 ft, heading W at 453 mph. Spotted 53x before! [09:58:06 AM CST] #AAB146 #N7885A #B737 #SOUTHWEST #SWA4843 #WN4843 #ADSB #ADSBbot

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

🇺🇸 N7831B - Boeing 737NG 7CT/W - Southwest Airlines SWA4843/WN4843, Baltimore/Washington Thurgood Marshall (BWI) to Los Angeles (LAX) - 4.3 mi away @ 36075 ft, heading W at 461 mph. Spotted 48x before! [09:47:40 AM CST] #AA9E28 #N7831B #B737 #SOUTHWEST #SWA4843 #WN4843 #ADSB #ADSBbot