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

🇺🇸 N1802U - Boeing 737MAX 8 - Southwest Airlines SWA5099/WN5099, Los Angeles (LAX) to Indianapolis (IND) - 4.4 mi away @ 35275 ft, heading E at 573 mph. Spotted 60x before. [05:04:33 PM CST] #A1435D #N1802U #B38M #SOUTHWEST #SWA5099 #WN5099 #ADSB #ADSBbot