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

🇲🇽 XA-VBT - Airbus A321 231SL - VivaAeroBus VIV635/VB635, Chicago O'Hare (ORD) to General Mariano Escobedo (MTY) - 4.0 mi away @ 33975 ft, heading SW at 513 mph. Spotted 2x before. [03:25:09 AM CST] #0D0DE8 #XA_VBT #A321 #VIVA #VIV635 #VB635 #ADSB #ADSBbot

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

🇲🇽 XA-VBT - Airbus A321 231SL - VivaAeroBus VIV633/VB633, Chicago O'Hare (ORD) to General Mariano Escobedo (MTY) - 4.4 mi away @ 36175 ft, heading SW at 482 mph. Spotted once before! [05:59:27 PM CST] #0D0DE8 #XA_VBT #A321 #AEROENLACES #VIV633 #VB633 #ADSB #ADSBbot