N721FR · AIRBUS A-321

Manufacturer and model

AIRBUS A-321

Operator

Frontier Airlines (FFT)

First seen

2026-08-10

Last seen

2026-09-29

Flights over the last 30 days

145

Recent flights

• FFT2355 San Antonio International Airport (SAT/KSAT) → Denver International Airport (DEN/KDEN) 2026-09-29
• FFT2356 Denver International Airport (DEN/KDEN) → San Antonio International Airport (SAT/KSAT) 2026-09-28
• FFT2350 Harry Reid International Airport (LAS/KLAS) → Denver International Airport (DEN/KDEN) 2026-09-28
• FFT1993 Denver International Airport (DEN/KDEN) → Harry Reid International Airport (LAS/KLAS) 2026-09-28
• FFT1993 Denver International Airport (DEN/KDEN) → Harry Reid International Airport (LAS/KLAS) 2026-09-28

Sources: the aircraft registry and our own observations; flight totals also include history taken over from before our own network started.