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

🇧🇪 OO-TUV - Boeing 737NG 86J/W - TUI Airlines Belgium GXA530, Chicago/Rockford (RFD) to Cancun (CUN) - 4.6 mi away @ 40225 ft, heading S at 488 mph. Spotted 3x before. [06:01:25 AM CDT] #44D2B6 #OO_TUV #B738 #BEAUTY #GXA530 #ADSB #ADSBbot