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

🇱🇺 LX-MCL - Boeing 747 4HAERF - Cargolux Airlines International CLX6696/CV6696, Chicago O'Hare (ORD) to Luxembourg-Findel (LUX) - 4.9 mi away @ 40750 ft, heading NNE at 596 mph. Spotted 2x before! [05:48:27 AM CST] #4D012F #LX_MCL #B744 #CARGOLUX #CLX6696 #CV6696 #ADSB #ADSBbot

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

🇱🇺 LX-MCL - Boeing 747 4HAERF - Cargolux Airlines International CLX21J/CV21J (LUX-ORD-DFW-LUX) - 4.8 mi away @ 37600 ft, heading SW at 553 mph. Spotted once before! [03:34:02 PM CDT] #4D012F #LX_MCL #B744 #CARGOLUX #CLX21J #CV21J #ADSB #ADSBbot

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

🇱🇺 LX-MCL - Boeing 747 4HAERF - Cargolux Airlines International CLX74K/CV74K (IAH-MIA-PIK-LUX) - 4.5 mi away @ 37225 ft, heading NNE at 572 mph. Spotted for first time! [09:27:11 PM CDT] #4D012F #LX_MCL #B744 #CARGOLUX #CLX74K #CV74K #ADSB #ADSBbot