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

🇺🇸 N8899H - Boeing 737MAX 8 - Southwest Airlines SWA3129/WN3129, Harry Reid (LAS) to Baltimore/Washington Thurgood Marshall (BWI) - 4.3 mi away @ 36700 ft, heading E at 547 mph. Spotted 54x before! [02:28:00 AM CDT] #AC42DF #N8899H #B38M #SOUTHWEST #SWA3129 #WN3129 #ADSB #ADSBbot

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

🇺🇸 N8916Q - Boeing 737MAX 8 - Southwest Airlines SWA3129/WN3129, Harry Reid (LAS) to Baltimore/Washington Thurgood Marshall (BWI) - 4.6 mi away @ 36875 ft, heading E at 592 mph. Spotted 24x before! [02:34:40 AM CDT] #AC4C44 #N8916Q #B38M #SOUTHWEST #SWA3129 #WN3129 #ADSB #ADSBbot