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

🇺🇸 N235FR - Airbus A320 214SL - Frontier Airlines FFT1476/F91476, Dallas-Fort Worth (DFW) to Baltimore/Washington Thurgood Marshall (BWI) - 4.4 mi away @ 35850 ft, heading NE at 506 mph. Spotted 10x before! [04:29:03 PM CDT] #A21BA0 #N235FR #A320 #FRONTIER_FLIGHT #FFT1476 #F91476 #ADSB #ADSBbot

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

🇺🇸 N646FR - Airbus A321 271NXSL - Frontier Airlines FFT1476/F91476, Dallas-Fort Worth (DFW) to Baltimore/Washington Thurgood Marshall (BWI) - 4.2 mi away @ 34725 ft, heading ENE at 658 mph. Spotted 2x before! [03:43:09 PM CST] #A87C12 #N646FR #A21N #FRONTIER_FLIGHT #FFT1476 #F91476 #ADSB #ADSBbot