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

🇱🇺 LX-JCV - Boeing 747 4EVERF - Cargolux Airlines International CLX78Y/CV78Y, Chicago O'Hare (ORD) to Dallas-Fort Worth (DFW) - 4.9 mi away @ 42575 ft, heading SW at 461 mph. Spotted once before! [02:54:31 AM CST] #4D0119 #LX_JCV #B744 #CARGOLUX #CLX78Y #CV78Y #ADSB #ADSBbot