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

🇺🇸 N347TT - Boeing 737MAX 8 - American Airlines AAL1388/AA1388, Phoenix Sky Harbor (PHX) to John F Kennedy (JFK) - 4.2 mi away @ 36425 ft, heading ENE at 646 mph. Spotted 2x before! [08:21:56 PM CST] #A3D90A #N347TT #B38M #AMERICAN #AAL1388 #AA1388 #ADSB #ADSBbot