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

🇺🇸 N431AN - Airbus A321 253NXSL - American Airlines AAL141G/AA141G, San Francisco (SFO) to Philadelphia (PHL) - 3.9 mi away @ 33450 ft, heading E at 641 mph. Spotted 15x before. [04:35:15 AM CST] #A526E2 #N431AN #A21N #AMERICAN #AAL141G #AA141G #ADSB #ADSBbot