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 28 December 2025 America/Denver. The flight is expected to land at Seattle International Airport at 10:08 28 December 2025 America/Los_Angeles. The flight will last about 3 hours 8 minutes.

Current status of AS643 is Departed Delayed by 31m Estimated Arrival in 2 hours, 32 minutes

AS643 - ASA643 Alaska Airlines (AS)
DEN Denver United States
Flight DEN to SEA
SEA Seattle United States
Departed Delayed by 31m Estimated Arrival in 2 hours, 32 minutes
Departure Denver International Airport
IATA: DENICAO: KDEN
Scheduled 08:00 28 December 2025
Actual 08:35 28 December 2025
None A44
Arrival Seattle International Airport
IATA: SEAICAO: KSEA
Scheduled 10:08 28 December 2025
Estimated 10:39 28 December 2025
None N11
AS643 Detail
  • Type: Domestic Flight
  • Code Shares: FI 7694, HA 4868, JL 6365, QR 2036, TN 2350
  • Flight Duration: 3 hours 8 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: Sunday 2025-12-28 09:07 AM
  • Current Time in Seattle: Sunday 2025-12-28 08:07 AM

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

Flight routes similar to Alaska Airlines AS643

Airline Flight no Departure Arrival
Southwest Airlines WN856
Southwest Airlines 		28/12/2025
07:50 		3 hours 5 minutes
09:55
United Airlines UA2651
United Airlines 		28/12/2025
21:05 		3 hours 7 minutes
23:12
Delta DL1724
Delta 		28/12/2025
18:04 		3 hours 10 minutes
20:14
Southwest Airlines WN2628
Southwest Airlines 		28/12/2025
22:35 		0 minutes
00:35
Copa Airlines CM1141
Copa Airlines 		28/12/2025
21:05 		3 hours 7 minutes
23:12
Hawaiian Airlines HA4865
Hawaiian Airlines 		28/12/2025
15:46 		3 hours 6 minutes
17:52
Hawaiian Airlines HA4820
Hawaiian Airlines 		28/12/2025
20:22 		3 hours 8 minutes
22:30
United Airlines UA1424
United Airlines 		28/12/2025
11:50 		3 hours 8 minutes
13:58

Alaska Airlines Flight AS643 FAQs

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

On average, nonstop flight takes 3 hour(s) 8 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 Departed Delayed by 31m.

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 .