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

🇺🇸 N1801U - Boeing 737MAX 8 - Southwest Airlines SWA2313/WN2313, Los Angeles (LAX) to Baltimore/Washington Thurgood Marshall (BWI) - 4.5 mi away @ 37625 ft, heading E at 553 mph. Spotted 60x before. [11:43:12 AM CST] #A1433A #N1801U #B38M #SOUTHWEST #SWA2313 #WN2313 #ADSB #ADSBbot

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

🇺🇸 N8606C - Boeing 737NG 8H4/W - Southwest Airlines SWA2313/WN2313, Los Angeles (LAX) to Baltimore/Washington Thurgood Marshall (BWI) - 4.8 mi away @ 37725 ft, heading E at 584 mph. Spotted 80x before! [11:37:53 AM CST] #ABD204 #N8606C #B738 #SOUTHWEST #SWA2313 #WN2313 #ADSB #ADSBbot