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

🇺🇸 N323SG - Boeing 737MAX 8 - American Airlines AAL1967/AA1967, Phoenix Sky Harbor (PHX) to Newark Liberty (EWR) - 4.5 mi away @ 39150 ft, heading ENE at 549 mph. Spotted 13x before! [12:03:03 AM CDT] #A37B0C #N323SG #B38M #AMERICAN #AAL1967 #AA1967 #ADSB #ADSBbot