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

🇺🇸 N310FR - Airbus A320 251NSL - Frontier Airlines FFT4503/F94503, Chicago O'Hare (ORD) to Dallas-Fort Worth (DFW) - 14.4 mi away @ 36275 ft, heading WSW at 500 mph. Spotted 22x before. [07:58:05 PM CST] #A3475E #N310FR #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.

🇺🇸 N310FR - Airbus A320 251NSL - Frontier Airlines FFT3568/F93568, Dallas-Fort Worth (DFW) to Cleveland-Hopkins (CLE) - 4.6 mi away @ 36550 ft, heading NE at 595 mph. Spotted 21x before. [02:18:56 PM CST] #A3475E #N310FR #A20N #FRONTIER_FLIGHT #FFT3568 #F93568 #ADSB #ADSBbot

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

🇺🇸 N310FR - Airbus A320 251NSL - Frontier Airlines FFT2437/F92437, Tampa (TPA) to St Louis Lambert (STL) - 3.5 mi away @ 2875 ft, heading N at 321 mph. Spotted 20x before. [07:32:31 AM CST] #A3475E #N310FR #A20N #FRONTIER_FLIGHT #FFT2437 #F92437 #Landing #Arrival #ADSB #ADSBbot

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

🇺🇸 N310FR - Airbus A320 251NSL - Frontier Airlines FFT1752/F91752, Denver (DEN) to Cincinnati/Northern Kentucky (CVG) - 4.6 mi away @ 39975 ft, heading E at 586 mph. Spotted 19x before! [11:41:43 PM CST] #A3475E #N310FR #A20N #FRONTIER_FLIGHT #FFT1752 #F91752 #ADSB #ADSBbot