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 08:00 30 April 2026 America/Denver. The flight is expected to land at Seattle International Airport at 10:07 30 April 2026 America/Los_Angeles. The flight will last about 2 hours 47 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 08:00 30 April 2026
Actual 07:47 30 April 2026
None A46
Arrival Seattle International Airport
IATA: SEAICAO: KSEA
Scheduled 10:07 30 April 2026
Actual 09:34 30 April 2026
None C18
AS643 Detail
  • Type: Domestic Flight
  • Code Shares: DE 5208, JL 6365, KE 6122
  • Flight Duration: 2 hours 47 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: Thursday 2026-04-30 15:30 PM
  • Current Time in Seattle: Thursday 2026-04-30 14:30 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
Thu 16 Apr
Scheduled On time
Denver (DEN) 2026-04-16T07:00
Seattle (SEA) 2026-04-16T09:10
Wed 15 Apr
Arrived On time
Denver (DEN) 2026-04-15T07:00
Seattle (SEA) 2026-04-15T09:10
2026-04-15T06:57
2026-04-15T08:54
Fri 10 Apr
Arrived On time
Denver (DEN) 2026-04-10T07:00
Seattle (SEA) 2026-04-10T09:10
2026-04-10T07:04
2026-04-10T08:48
Wed 08 Apr
Arrived On time
Denver (DEN) 2026-04-08T07:00
Seattle (SEA) 2026-04-08T09:10
2026-04-08T06:56
2026-04-08T08:49
Fri 03 Apr
Arrived On time
Denver (DEN) 2026-04-03T07:00
Seattle (SEA) 2026-04-03T09:10
2026-04-03T06:59
2026-04-03T08:53
Wed 01 Apr
Scheduled On time
Denver (DEN) 2026-04-01T07:00
Seattle (SEA) 2026-04-01T09:10
Sat 21 Mar
Departed On time
Denver (DEN) 2026-03-21T07:00
Seattle (SEA) 2026-03-21T09:10
2026-03-21T07:13
Tue 17 Mar
Scheduled On time
Denver (DEN) 2026-03-17T07:00
Seattle (SEA) 2026-03-17T09:10
Fri 06 Mar
Scheduled On time
Denver (DEN) 2026-03-06T07:00
Seattle (SEA) 2026-03-06T09:10
Sat 28 Feb
Departed On time
Denver (DEN) 2026-02-28T07:00
Seattle (SEA) 2026-02-28T09:10
2026-02-28T06:50

Flight routes similar to Alaska Airlines AS643

Airline Flight no Departure Arrival
United Airlines UA2271
United Airlines 		30/04/2026
07:40 		0 minutes
09:40
SkyWest Airlines OO4156
SkyWest Airlines 		30/04/2026
19:45 		3 hours 20 minutes
22:05
Alaska Airlines AS647
Alaska Airlines 		30/04/2026
06:00 		3 hours 3 minutes
08:03
Jambojet JX7041
Jambojet 		30/04/2026
19:25 		3 hours 4 minutes
21:29
Southwest Airlines WN8700
Southwest Airlines 		30/04/2026
11:00 		2 hours 5 minutes
12:55
Jambojet JX7039
Jambojet 		30/04/2026
17:00 		2 hours 47 minutes
19:02
United Airlines UA1424
United Airlines 		30/04/2026
11:15 		2 hours 40 minutes
13:16
United Airlines UA2651
United Airlines 		30/04/2026
20:55 		3 hours 1 minutes
22:56

Alaska Airlines Flight AS643 FAQs

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

On average, nonstop flight takes 2 hour(s) 47 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 .