Frontier Airlines A321-271NX, N604FR. "America's Green Airline" livery. MIA. 6-13-2025.

🇺🇸 N604FR - Airbus A321 271NXSL - Frontier Airlines FFT2636/F92636, St Louis Lambert (STL) to Orlando (MCO) - 3.2 mi away @ 6025 ft, heading SSW at 326 mph. Spotted 36x before. [04:58:41 PM CDT] #A7D6A8 #N604FR #A21N #FRONTIER_FLIGHT #FFT2636 #F92636 #Landing #Departure #ADSB #ADSBbot

🇺🇸 N604FR - Airbus A321 271NXSL - Frontier Airlines FFT45/F945, Cancun (CUN) to Chicago O'Hare (ORD) - 3.9 mi away @ 31750 ft, heading NNE at 512 mph. Spotted 35x before. [08:43:40 PM CST] #A7D6A8 #N604FR #A21N #FRONTIER_FLIGHT #FFT45 #F945 #ADSB #ADSBbot

#ICAO: #A7D6A8
Owner: #FRONTIER AIRLINES
Flt: #FFT4834 #N604FR #A21N #CLE-BOS
Time: 2026-01-19 07:53:28 EST
Min Alt: 9325 ft
Min Dist: 0.98 nm (19° NNE)
#dev #adsb #planefence by kx1t -•sdr-e•airplanes•flightaware•faa

🇺🇸 N604FR - Airbus A321 271NXSL - Frontier Airlines FFT2017/F92017, St Louis Lambert (STL) to Harry Reid (LAS) - 3.3 mi away @ 12375 ft, heading WNW at 389 mph. Spotted 37x before. [09:08:14 PM CDT] #A7D6A8 #N604FR #A21N #FRONTIER_FLIGHT #FFT2017 #F92017 #Landing #Departure #ADSB #ADSBbot

ICAO: #A7D6A8
Owner: #FRONTIERAIRLINES
Flt: #FFT2017 #N604FR #A21N #STL-#LAS
Time: 2026-05-18 22:46:14 CDT
Min Alt: 30000 ft
Min Dist: 130.76 nm (-161deg SSW)

#adsb #planefence by kx1t sdr-e adsbexchange flightaware faa

🇺🇸 N604FR - Airbus A321 271NXSL - Frontier Airlines FFT4567/F94567, St Louis Lambert (STL) to Denver (DEN) - 3.3 mi away @ 13175 ft, heading WNW at 391 mph. Spotted 34x before! [08:05:10 PM CST] #A7D6A8 #N604FR #A21N #FRONTIER_FLIGHT #FFT4567 #F94567 #TakingOff #Departure #ADSB #ADSBbot

🇺🇸 N604FR - Airbus A321 271NXSL - Frontier Airlines FFT7/F97, Punta Cana (PUJ) to St Louis Lambert (STL) - 3.4 mi away @ 3025 ft, heading N at 269 mph. Spotted 33x before! [05:21:43 PM CST] #A7D6A8 #N604FR #A21N #FRONTIER_FLIGHT #FFT7 #F97 #Landing #Arrival #ADSB #ADSBbot

🇺🇸 N604FR - Airbus A321 271NXSL - Frontier Airlines FFT87/F987, Cancun (CUN) to St Louis Lambert (STL) - 3.4 mi away @ 3200 ft, heading NW at 243 mph. Spotted 32x before! [05:20:13 PM CDT] #A7D6A8 #N604FR #A21N #FRONTIER_FLIGHT #FFT87 #F987 #Landing #Arrival #ADSB #ADSBbot

🇺🇸 N604FR - Airbus A321 271NXSL - Frontier Airlines FFT4278/F94278, Harry Reid (LAS) to Washington Dulles (IAD) - 4.2 mi away @ 37175 ft, heading ESE at 575 mph. Spotted 31x before! [03:29:38 AM CDT] #A7D6A8 #N604FR #A21N #FRONTIER_FLIGHT #FFT4278 #F94278 #ADSB #ADSBbot

🇺🇸 N604FR - Airbus A321 271NXSL - Frontier Airlines FFT3521/F93521, Cincinnati/Northern Kentucky (CVG) to Harry Reid (LAS) - 4.1 mi away @ 33875 ft, heading W at 516 mph. Spotted 30x before! [03:58:32 PM CDT] #A7D6A8 #N604FR #A21N #FRONTIER_FLIGHT #FFT3521 #F93521 #ADSB #ADSBbot

🇺🇸 N604FR - Airbus A321 271NXSL - Frontier Airlines FFT7/F97, Punta Cana (PUJ) to St Louis Lambert (STL) - 3.4 mi away @ 3850 ft, heading N at 291 mph. Spotted 29x before! [05:25:01 PM CDT] #A7D6A8 #N604FR #A21N #FRONTIER_FLIGHT #FFT7 #F97 #Landing #Arrival #ADSB #ADSBbot

🇺🇸 N604FR - Airbus A321 271NXSL - Frontier Airlines FFT1868/F91868, Des Moines (DSM) to Orlando (MCO) - 9.7 mi away @ 37475 ft, heading SE at 623 mph. Spotted 28x before! [07:45:59 PM CST] #A7D6A8 #N604FR #A21N #FRONTIER_FLIGHT #FFT1868 #F91868 #ADSB #ADSBbot