Alaska Airlines AS643 Flight Status

Current status of AS643 is Scheduled On time Estimated Depart in 1 hour, 21 minutes

AS643 - ASA643 Alaska Airlines (AS)
DEN Denver United States
Flight DEN to SEA
SEA Seattle United States
Scheduled On time Estimated Depart in 1 hour, 21 minutes
Departure Denver International Airport
IATA: DENICAO: KDEN
Scheduled 06:00 08 December 2025
Estimated 06:00 08 December 2025
None A44
Arrival Seattle International Airport
IATA: SEAICAO: KSEA
Scheduled 08:10 08 December 2025
Estimated 08:13 08 December 2025
None C10
AS643 Detail
  • Type: Domestic Flight
  • Code Shares: HA 4868, JL 6365, KE 6122, QR 2036, TN 2350
  • Flight Duration: 3 hours 10 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: Monday 2025-12-08 04:39 AM
  • Current Time in Seattle: Monday 2025-12-08 03:39 AM

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 06:00 08 December 2025 America/Denver. The flight is expected to land at Seattle International Airport at 08:10 08 December 2025 America/Los_Angeles. The flight will last about 3 hours 10 minutes.

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
Tue 25 Nov
Scheduled On time
Denver (DEN) 2025-11-25T06:14
Seattle (SEA) 2025-11-25T08:26
Mon 24 Nov
Arrived On time
Denver (DEN) 2025-11-24T06:14
Seattle (SEA) 2025-11-24T08:26
2025-11-24T06:38
2025-11-24T08:40
Sun 23 Nov
Scheduled On time
Denver (DEN) 2025-11-23T06:14
Seattle (SEA) 2025-11-23T08:26
Mon 17 Nov
Arrived On time
Denver (DEN) 2025-11-17T07:00
Seattle (SEA) 2025-11-17T09:07
2025-11-17T07:07
2025-11-17T09:07
Sat 15 Nov
Scheduled On time
Denver (DEN) 2025-11-15T07:00
Seattle (SEA) 2025-11-15T09:07
Sat 08 Nov
Arrived On time
Denver (DEN) 2025-11-08T07:00
Seattle (SEA) 2025-11-08T09:07
2025-11-08T06:51
2025-11-08T09:13
Thu 06 Nov
Arrived On time
Denver (DEN) 2025-11-06T07:00
Seattle (SEA) 2025-11-06T09:07
2025-11-06T06:56
2025-11-06T09:03
Tue 04 Nov
Arrived On time
Denver (DEN) 2025-11-04T07:00
Seattle (SEA) 2025-11-04T09:07
2025-11-04T06:50
2025-11-04T09:08
Mon 03 Nov
Scheduled On time
Denver (DEN) 2025-11-03T07:00
Seattle (SEA) 2025-11-03T09:07
Sun 02 Nov
Arrived On time
Denver (DEN) 2025-11-02T07:00
Seattle (SEA) 2025-11-02T09:07
2025-11-02T06:59
2025-11-02T09:07

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

Airline Flight no Departure Arrival
Alaska Airlines AS535
Alaska Airlines 		08/12/2025
15:43 		3 hours 7 minutes
17:50
Southwest Airlines WN856
Southwest Airlines 		08/12/2025
07:50 		3 hours 31 minutes
09:55
Hawaiian Airlines HA4820
Hawaiian Airlines 		08/12/2025
20:13 		3 hours 7 minutes
22:20
United Airlines UA2651
United Airlines 		08/12/2025
21:05 		3 hours 5 minutes
23:10
Hawaiian Airlines HA4865
Hawaiian Airlines 		08/12/2025
15:43 		3 hours 7 minutes
17:50
Copa Airlines CM1141
Copa Airlines 		08/12/2025
19:10 		3 hours 3 minutes
21:13
Qatar Airways QR2093
Qatar Airways 		08/12/2025
08:00 		3 hours 7 minutes
10:14
Qatar Airways QR2016
Qatar Airways 		08/12/2025
20:13 		3 hours 7 minutes
22:20

Frequently asked questions, answered

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

On average, nonstop flight takes 3 hour(s) 10 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 Scheduled 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 .