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

🇺🇸 N313FR - Airbus A320 251NSL - Frontier Airlines FFT4503/F94503, Chicago O'Hare (ORD) to Dallas-Fort Worth (DFW) - 4.5 mi away @ 39000 ft, heading SW at 430 mph. Spotted 21x before. [07:09:10 PM CST] #A35283 #N313FR #A20N #FRONTIER_FLIGHT #FFT4503 #F94503 #ADSB #ADSBbot

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

🇺🇸 N313FR - Airbus A320 251NSL - Frontier Airlines FFT3989/F93989, Detroit Metro Wayne County (DTW) to Dallas-Fort Worth (DFW) - 4.5 mi away @ 37325 ft, heading SW at 511 mph. Spotted 20x before. [06:47:56 PM CST] #A35283 #N313FR #A20N #FRONTIER_FLIGHT #FFT3989 #F93989 #ADSB #ADSBbot

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

🇺🇸 N313FR - Airbus A320 251NSL - Frontier Airlines FFT3243/F93243, Chicago O'Hare (ORD) to Dallas-Fort Worth (DFW) - 4.1 mi away @ 34050 ft, heading SW at 489 mph. Spotted 19x before. [10:10:59 AM CST] #A35283 #N313FR #A20N #FRONTIER_FLIGHT #FFT3243 #F93243 #ADSB #ADSBbot