Alaska Airlines AS421 Flight Status Today

International flight Alaska Airlines AS421 takes off from Seattle (SEA) United States to San Jose Cabo (SJD) Mexico. It's operated by Alaska Airlines. The plane leaves Seattle International Airport at 08:38 18 January 2026 America/Los_Angeles. The flight is expected to land at Los Cabos International Airport at 13:55 18 January 2026 America/Mazatlan. The flight will last about 4 hours 17 minutes.

Current status of AS421 is Departed On time Estimated Arrival in 4 hours, 23 minutes

AS421 - ASA421 Alaska Airlines (AS)
SEA Seattle United States
Flight SEA to SJD
SJD San Jose Cabo Mexico
Departed On time Estimated Arrival in 4 hours, 23 minutes
Departure Seattle International Airport
IATA: SEAICAO: KSEA
Scheduled 08:38 18 January 2026
Actual 08:31 18 January 2026
None N15
Arrival Los Cabos International Airport
IATA: SJDICAO: MMSD
Scheduled 13:55 18 January 2026
Estimated 14:00 18 January 2026
2 7
AS421 Detail
  • Type: International Flight
  • Code Shares: HA 6901
  • Flight Duration: 4 hours 17 minutes
  • Flight Distance: 2918 kms / 1813 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-KBRL1
  • Departure Timezone: America/Los_Angeles
  • Arrival Timezone: America/Mazatlan
  • Current Time in Seattle: Sunday 2026-01-18 08:37 AM
  • Current Time in San Jose Cabo: Sunday 2026-01-18 09:37 AM

Alaska Airlines AS421 Flight Statistics

Alaska Airlines
Alaska Airlines
FLIGHT NO AS421
AIRPLANE Boeing 737-900 Passenger (Scimitar Winglets)
ON TIME 5
DELAYED 4
CANCELLED 0
ON TIME 11
DELAYED 8
CANCELLED 0
ON TIME 36
DELAYED 10
CANCELLED 0
ON TIME 43
DELAYED 11
CANCELLED 0
Last 14 days flight data
14 30 60 90
On Time Rate

Alaska Airlines AS421 Flight Schedule and Histories

Time Departure Arrival Actual departure Actual arrival
Wed 07 Jan
Scheduled On time
Seattle (SEA) 2026-01-07T08:08
San Jose Cabo (SJD) 2026-01-07T13:32
Tue 06 Jan
Arrived On time
Seattle (SEA) 2026-01-06T07:52
San Jose Cabo (SJD) 2026-01-06T13:13
2026-01-06T07:48
2026-01-06T13:11
Mon 05 Jan
Arrived On time
Seattle (SEA) 2026-01-05T07:52
San Jose Cabo (SJD) 2026-01-05T13:13
2026-01-05T07:53
2026-01-05T13:01
Sun 28 Dec
Arrived On time
Seattle (SEA) 2025-12-28T07:52
San Jose Cabo (SJD) 2025-12-28T13:13
2025-12-28T07:43
2025-12-28T13:02
Mon 24 Nov
Departed On time
Seattle (SEA) 2025-11-24T07:45
San Jose Cabo (SJD) 2025-11-24T13:07
2025-11-24T07:42
Sun 23 Nov
Scheduled On time
Seattle (SEA) 2025-11-23T07:45
San Jose Cabo (SJD) 2025-11-23T13:07
Sat 22 Nov
Departed Delayed by 21m
Seattle (SEA) 2025-11-22T07:45
San Jose Cabo (SJD) 2025-11-22T13:07
2025-11-22T07:48
Fri 21 Nov
Arrived Delayed by 1h 28m
Seattle (SEA) 2025-11-21T07:45
San Jose Cabo (SJD) 2025-11-21T13:07
2025-11-21T09:31
2025-11-21T14:35
Thu 20 Nov
Arrived On time
Seattle (SEA) 2025-11-20T07:45
San Jose Cabo (SJD) 2025-11-20T13:09
2025-11-20T07:35
2025-11-20T12:55
Mon 17 Nov
Arrived On time
Seattle (SEA) 2025-11-17T07:45
San Jose Cabo (SJD) 2025-11-17T13:09
2025-11-17T07:35
2025-11-17T13:22

Flight routes similar to Alaska Airlines AS421

Airline Flight no Departure Arrival
Delta DL1914
Delta 		18/01/2026
10:00 		4 hours 21 minutes
15:21
Hawaiian Airlines HA6901
Hawaiian Airlines 		18/01/2026
08:38 		4 hours 17 minutes
13:55
Korean Air KE7557
Korean Air 		18/01/2026
10:00 		4 hours 21 minutes
15:21
Aeromexico AM4289
Aeromexico 		18/01/2026
10:00 		4 hours 21 minutes
15:21
Alaska Airlines AS180
Alaska Airlines 		18/01/2026
11:58 		4 hours 37 minutes
17:19
Alaska Airlines AS714
Alaska Airlines 		18/01/2026
10:00 		4 hours 27 minutes
15:20
Hawaiian Airlines HA6914
Hawaiian Airlines 		18/01/2026
10:00 		4 hours 39 minutes
15:20

Alaska Airlines Flight AS421 FAQs

What is the scheduled flight duration for Alaska Airlines AS421 flight?

On average, nonstop flight takes 4 hour(s) 17 minutes, with the flight distance of 2918 km (1813 miles).

What is the current status of Alaska Airlines AS421 flight?

The current status of flight Alaska Airlines AS421 is Departed On time.

What type of aircraft is used for the Alaska Airlines AS421 flight?

All Alaska Airlines AS421 flights are operated using Boeing 737-900 Passenger (Scimitar Winglets) aircraft.

When does the flight Alaska Airlines AS421 arrive?

Flight Alaska Airlines AS421 arrives at 13:55.

Which terminal the flight Alaska Airlines AS421 is arriving at?

Flight Alaska Airlines AS421 arrives in Los Cabos International Airport at Terminal 2.

How many Alaska Airlines AS421 flights are operated a week?

7 flights per week. The Flight Alaska Airlines AS421 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .