Alaska Airlines AS643 Flight Status Today

Domestic flight Alaska Airlines AS643 takes off from Denver (DEN) United States to Seattle (SEA) United States. It's operated by Alaska Airlines. The plane leaves Denver International Airport at 07:00 07 February 2026 America/Denver. The flight is expected to land at Seattle International Airport at 09:11 07 February 2026 America/Los_Angeles. The flight will last about 2 hours 52 minutes.

Current status of AS643 is Arrived On time

AS643 - ASA643 Alaska Airlines (AS)
DEN Denver United States
Flight DEN to SEA
SEA Seattle United States
Arrived On time
Departure Denver International Airport
IATA: DENICAO: KDEN
Scheduled 07:00 07 February 2026
Actual 06:57 07 February 2026
None A44
Arrival Seattle International Airport
IATA: SEAICAO: KSEA
Scheduled 09:11 07 February 2026
Actual 08:49 07 February 2026
None N10
AS643 Detail
  • Type: Domestic Flight
  • Code Shares: FI 7694, HA 4863, JL 6365, KE 6122, QR 2036, TN 2332
  • Flight Duration: 2 hours 52 minutes
  • Flight Distance: 1648 kms / 1024 miles
Airline
  • Alaska Airlines
  • IATA: AS
  • ICAO: ASA
  • Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
Passenger Services
  • Service type: Normal passenger
  • Seats: 178
  • Freight capacity: 9 tons
  • Passenger classes: First Class, Economy, Shuttle
More Detail
  • Aircraft: Boeing 737-900 Passenger (Scimitar Winglets)
  • Callsign: F-KBJC1
  • Departure Timezone: America/Denver
  • Arrival Timezone: America/Los_Angeles
  • Current Time in Denver: Saturday 2026-02-07 19:56 PM
  • Current Time in Seattle: Saturday 2026-02-07 18:56 PM

Alaska Airlines AS643 Flight Statistics

Alaska Airlines
Alaska Airlines
FLIGHT NO AS643
AIRPLANE Boeing 737-900 Passenger (Scimitar Winglets)
ON TIME 11
DELAYED 3
CANCELLED 0
ON TIME 24
DELAYED 4
CANCELLED 0
ON TIME 44
DELAYED 7
CANCELLED 1
ON TIME 69
DELAYED 9
CANCELLED 2
Last 14 days flight data
14 30 60 90
On Time Rate

Alaska Airlines AS643 Flight Schedule and Histories

Time Departure Arrival Actual departure Actual arrival
Wed 04 Feb
Arrived On time
Denver (DEN) 2026-02-04T07:00
Seattle (SEA) 2026-02-04T09:11
2026-02-04T06:51
2026-02-04T08:56
Tue 03 Feb
Arrived On time
Denver (DEN) 2026-02-03T07:00
Seattle (SEA) 2026-02-03T09:11
2026-02-03T06:50
2026-02-03T08:54
Mon 02 Feb
Arrived Delayed by 15m
Denver (DEN) 2026-02-02T07:00
Seattle (SEA) 2026-02-02T09:11
2026-02-02T06:59
2026-02-02T09:26
Sat 31 Jan
Arrived Delayed by 58m
Denver (DEN) 2026-01-31T07:00
Seattle (SEA) 2026-01-31T09:11
2026-01-31T07:44
2026-01-31T10:09
Tue 20 Jan
Arrived On time
Denver (DEN) 2026-01-20T07:00
Seattle (SEA) 2026-01-20T09:11
2026-01-20T06:57
2026-01-20T09:01
Sun 18 Jan
Scheduled On time
Denver (DEN) 2026-01-18T07:00
Seattle (SEA) 2026-01-18T09:11
Fri 16 Jan
Departed On time
Denver (DEN) 2026-01-16T07:00
Seattle (SEA) 2026-01-16T09:11
2026-01-16T06:54
Fri 09 Jan
Scheduled On time
Denver (DEN) 2026-01-09T07:00
Seattle (SEA) 2026-01-09T09:11
Sun 04 Jan
Diverted to DEN Denver
Denver (DEN) 2026-01-04T08:00
Seattle (SEA) 2026-01-04T10:08
2026-01-04T08:00
2026-01-04T08:09
Fri 02 Jan
Arrived On time
Denver (DEN) 2026-01-02T08:00
Seattle (SEA) 2026-01-02T10:08
2026-01-02T07:59
2026-01-02T09:49

Flight routes similar to Alaska Airlines AS643

Airline Flight no Departure Arrival
United Airlines UA1424
United Airlines 		07/02/2026
11:50 		2 hours 50 minutes
13:58
Southwest Airlines WN1603
Southwest Airlines 		07/02/2026
14:50 		2 hours 55 minutes
16:50
WestJet WS7139
WestJet 		07/02/2026
06:29 		2 hours 57 minutes
08:40
Icelandair FI7694
Icelandair 		07/02/2026
07:00 		2 hours 52 minutes
09:11
Air Tahiti Nui TN2332
Air Tahiti Nui 		07/02/2026
07:00 		2 hours 52 minutes
09:11
Hawaiian Airlines HA4863
Hawaiian Airlines 		07/02/2026
07:00 		2 hours 52 minutes
09:11
Delta DL1731
Delta 		07/02/2026
06:29 		2 hours 57 minutes
08:40
Japan Airlines JL6365
Japan Airlines 		07/02/2026
07:00 		2 hours 52 minutes
09:11

Alaska Airlines Flight AS643 FAQs

What is the scheduled flight duration for Alaska Airlines AS643 flight?

On average, nonstop flight takes 2 hour(s) 52 minutes, with the flight distance of 1648 km (1024 miles).

What is the current status of Alaska Airlines AS643 flight?

The current status of flight Alaska Airlines AS643 is Arrived On time.

What type of aircraft is used for the Alaska Airlines AS643 flight?

All Alaska Airlines AS643 flights are operated using Boeing 737-900 Passenger (Scimitar Winglets) aircraft.

How many Alaska Airlines AS643 flights are operated a week?

7 flights per week. The Flight Alaska Airlines AS643 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .