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

🇺🇸 N527VL - Airbus A320 233SL - Volaris VOI5787/Y45787, Chicago O'Hare (ORD) to Del Bajio (BJX) - 4.3 mi away @ 36000 ft, heading SW at 505 mph. Spotted 14x before. [02:12:58 AM CST] #A6A4D5 #N527VL #A320 #VOI5787 #Y45787 #ADSB #ADSBbot