Frontier Airlines F9421 flight status now

F9421 - FFT421 Frontier Airlines (F9)
DEN Denver United States
Flight DEN to SEA
SEA Seattle United States
NO FLIGHTS IN THE LAST 14 DAYS Lasted record on 18-December-2021
Departure Denver International Airport
IATA: DENICAO: KDEN
Scheduled 15:51
None A44
Arrival Seattle International Airport
IATA: SEAICAO: KSEA
Scheduled 17:49
None S1
F9421 Detail
  • Type: Domestic Flight
  • Flight Duration: 1 hours 46 minutes
  • Flight Distance: 1648 kms / 1024 miles
Airline
  • Frontier Airlines
  • IATA: F9
  • ICAO: FFT
  • Operating Days: NO FLIGHTS IN THE LAST 14 DAYS
Passenger Services
  • Service type: None
  • Seats: None
  • Freight capacity: None
  • Passenger classes: None
More Detail
  • Aircraft: Airbus A320-251N
  • Callsign: F-KPAE6
  • Departure Timezone: America/Denver
  • Arrival Timezone: America/Los_Angeles
  • Current Time in Denver: Wednesday 2025-11-19 05:30 AM
  • Current Time in Seattle: Wednesday 2025-11-19 04:30 AM

Domestic flight Frontier Airlines F9421 takes off from Denver (DEN) United States to Seattle (SEA) United States. It's operated by Frontier Airlines. The plane leaves Denver International Airport at 15:51 America/Denver. The flight is expected to land at Seattle International Airport at 17:49 America/Los_Angeles. The flight will last about 1 hours 46 minutes.

Similar flight route from Denver (DEN) to Seattle (SEA)

Airline Flight no Departure Arrival
Hawaiian Airlines HA4820
Hawaiian Airlines 		19/11/2025
20:02 		3 hours 11 minutes
22:13
Icelandair FI7694
Icelandair 		19/11/2025
07:00 		3 hours 7 minutes
09:07
United Airlines UA1729
United Airlines 		19/11/2025
19:30 		2 hours 43 minutes
21:33
KLM KL5644
KLM 		19/11/2025
12:18 		3 hours 11 minutes
14:29
Southwest Airlines WN2919
Southwest Airlines 		19/11/2025
20:55 		0 minutes
22:55
Delta DL1175
Delta 		19/11/2025
19:51 		2 hours 51 minutes
22:00
Icelandair FI7722
Icelandair 		19/11/2025
20:02 		3 hours 11 minutes
22:13
Qatar Airways QR2016
Qatar Airways 		19/11/2025
20:02 		3 hours 11 minutes
22:13

Frequently asked questions, answered

How long is the flight from Denver to Seattle?

On average, nonstop flight takes 1 hour(s) 46 minutes, with the flight distance of 1648 km (1024 miles).

What type of aircraft is used for the Frontier Airlines F9421 flight?

All Frontier Airlines F9421 flights are operated using Airbus A320-251N aircraft.