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

🇲🇽 XA-VBU - Airbus A321 231SL - VivaAeroBus VIV0543/VB0543, Chicago O'Hare (ORD) to Don Miguel Hidalgo Y Costilla (GDL) - 4.1 mi away @ 33400 ft, heading SW at 512 mph. Spotted 2x before! [09:01:22 AM CST] #0D0E69 #XA_VBU #A321 #VIVA #VIV0543 #VB0543 #ADSB #ADSBbot

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

🇲🇽 XA-VBU - Airbus A321 231SL - VivaAeroBus VIV633/VB633, Chicago O'Hare (ORD) to General Mariano Escobedo (MTY) - 4.1 mi away @ 35025 ft, heading SW at 454 mph. Spotted once before! [05:13:18 PM CST] #0D0E69 #XA_VBU #A321 #AEROENLACES #VIV633 #VB633 #ADSB #ADSBbot