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

🇺🇸 N249NV - Airbus A320 214SL - Allegiant Air AAY553/G4553, Austin-Bergstrom (AUS) to Gerald R Ford (GRR) - 4.3 mi away @ 34700 ft, heading NE at 576 mph. Spotted 5x before! [08:49:44 PM CST] #A252AE #N249NV #A320 #ALLEGIANT #AAY553 #G4553 #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