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

🇺🇸 N320NV - Airbus A319 111 - Allegiant Air AAY547/G4547, Gerald R Ford (GRR) to Austin-Bergstrom (AUS) - 4.0 mi away @ 33400 ft, heading SW at 469 mph. Spotted 4x before! [03:09:10 PM CST] #A36F90 #N320NV #A319 #ALLEGIANT #AAY547 #G4547 #ADSB #ADSBbot

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

🇺🇸 N320NV - Airbus A319 111 - Allegiant Air AAY553/G4553, Austin-Bergstrom (AUS) to Gerald R Ford (GRR) - 4.7 mi away @ 37575 ft, heading NE at 495 mph. Spotted 3x before! [11:30:33 AM CST] #A36F90 #N320NV #A319 #ALLEGIANT #AAY553 #G4553 #ADSB #ADSBbot