Alaska Airlines AS143 Flight Status : Live Tracking & Updates

Domestic flight Alaska Airlines AS143 takes off from Anchorage (ANC) United States to Seattle (SEA) United States. It's operated by Alaska Airlines. The plane leaves Ted Stevens Anchorage International Airport at 18:09 America/Anchorage. The flight is expected to land at Seattle International Airport at 22:38 America/Los_Angeles. The flight will last about 3 hours 29 minutes.

AS143 - ASA143 Alaska Airlines (AS)
ANC Anchorage United States
Flight ANC to SEA
SEA Seattle United States
Contact Airlines It may not operate on the date requested
Departure Ted Stevens Anchorage International Airport
IATA: ANCICAO: PANC
Scheduled 18:09
S C7
Arrival Seattle International Airport
IATA: SEAICAO: KSEA
Scheduled 22:38
None S4
AS143 Detail
  • Type: Domestic Flight
  • Flight Duration: 3 hours 29 minutes
  • Flight Distance: 2332 kms / 1449 miles
Airline
  • Alaska Airlines
  • IATA: AS
  • ICAO: ASA
  • Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
Passenger Services
  • Service type: Normal passenger
  • Seats: 159
  • Freight capacity: 8.7 tons
  • Passenger classes: First Class, Economy, Shuttle
More Detail
  • Aircraft: Boeing 737-900 Passenger (Scimitar Winglets)
  • Callsign: F-KSEA1
  • Departure Timezone: America/Anchorage
  • Arrival Timezone: America/Los_Angeles
  • Current Time in Anchorage: Friday 2026-05-08 02:09 AM
  • Current Time in Seattle: Friday 2026-05-08 03:09 AM

Alaska Airlines AS143 Flight Statistics

Alaska Airlines
Alaska Airlines
FLIGHT NO AS143
AIRPLANE Boeing 737-900 Passenger (Scimitar Winglets)
ON TIME 7
DELAYED 6
CANCELLED 0
ON TIME 12
DELAYED 9
CANCELLED 0
ON TIME 18
DELAYED 11
CANCELLED 0
ON TIME 18
DELAYED 11
CANCELLED 0
Last 14 days flight data
14 30 60 90
On Time Rate

Alaska Airlines AS143 Flight Schedule and Histories

Time Departure Arrival Actual departure Actual arrival
Sun 15 Mar
Scheduled On time
Anchorage (ANC) 2026-03-15T18:09
Seattle (SEA) 2026-03-15T22:38
Mon 02 Mar
Arrived On time
Anchorage (ANC) 2026-03-02T18:09
Seattle (SEA) 2026-03-02T22:38
2026-03-02T18:07
2026-03-02T22:24
Tue 17 Feb
Scheduled On time
Anchorage (ANC) 2026-02-17T18:09
Seattle (SEA) 2026-02-17T22:38
Fri 13 Feb
Scheduled On time
Anchorage (ANC) 2026-02-13T18:09
Seattle (SEA) 2026-02-13T22:38
Thu 12 Feb
Scheduled On time
Anchorage (ANC) 2026-02-12T18:09
Seattle (SEA) 2026-02-12T22:38
Tue 10 Feb
Scheduled On time
Anchorage (ANC) 2026-02-10T18:03
Seattle (SEA) 2026-02-10T22:33
Fri 06 Feb
Scheduled On time
Anchorage (ANC) 2026-02-06T18:03
Seattle (SEA) 2026-02-06T22:33
Thu 05 Feb
Departed Delayed by 55m
Anchorage (ANC) 2026-02-05T18:03
Seattle (SEA) 2026-02-05T22:33
2026-02-05T19:07
Wed 04 Feb
Departed On time
Anchorage (ANC) 2026-02-04T18:03
Seattle (SEA) 2026-02-04T22:33
2026-02-04T17:53
Tue 03 Feb
Scheduled On time
Anchorage (ANC) 2026-02-03T18:03
Seattle (SEA) 2026-02-03T22:33

Flight routes similar to Alaska Airlines AS143

Airline Flight no Departure Arrival
Alaska Airlines AS226
Alaska Airlines 		08/05/2026
14:32 		3 hours 34 minutes
19:06
Alaska Airlines AS254
Alaska Airlines 		08/05/2026
16:17 		3 hours 34 minutes
20:51
American Airlines AA7477
American Airlines 		08/05/2026
00:59 		3 hours 33 minutes
05:32
American Airlines AA9407
American Airlines 		08/05/2026
11:15 		3 hours 19 minutes
15:52
Alaska Airlines AS98
Alaska Airlines 		08/05/2026
02:26 		3 hours 27 minutes
06:59
KLM KL5552
KLM 		08/05/2026
06:00 		3 hours 48 minutes
10:44
Aeromexico AM3009
Aeromexico 		08/05/2026
01:55 		3 hours 18 minutes
06:39
Alaska Airlines AS1498
Alaska Airlines 		08/05/2026
17:25 		3 hours 34 minutes
21:59

Alaska Airlines Flight AS143 FAQs

What is the scheduled flight duration for Alaska Airlines AS143 flight?

On average, nonstop flight takes 3 hour(s) 29 minutes, with the flight distance of 2332 km (1449 miles).

What type of aircraft is used for the Alaska Airlines AS143 flight?

All Alaska Airlines AS143 flights are operated using Boeing 737-900 Passenger (Scimitar Winglets) aircraft.

How many Alaska Airlines AS143 flights are operated a week?

7 flights per week. The Flight Alaska Airlines AS143 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .