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

🇺🇸 N304RB - Boeing 737MAX 8 - American Airlines AAL3295/AA3295 (PHL-SFO-PHL) - 4.6 mi away @ 38275 ft, heading WSW at 536 mph. Spotted 11x before! [07:57:18 AM CDT] #A32FA7 #N304RB #B38M #AMERICAN #AAL3295 #AA3295 #ADSB #ADSBbot