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

🇨🇳 B-LJA - Boeing 747 867F - Cathay Pacific Airways CPA3291/CX3291 (ORD-ATL-ANC-HKG) - 10.2 mi away @ 38000 ft, heading WNW at 535 mph. Spotted 3x before! [11:36:28 AM CDT] #780231 #B_LJA #B748 #CATHAY #CPA3291 #CX3291 #ADSB #ADSBbot