| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 05 | SEA | SJD | 09:15 | 13:32 |
Scheduled
|
Track > |
| Jun 04 | SEA | SJD | 09:43 | 13:20 |
Landed
|
Track > |
| Jun 03 | SEA | SJD | 09:36 | 13:11 |
Landed
|
Track > |
| Jun 02 | SEA | SJD | 09:27 | 13:12 |
Landed
|
Track > |
| Jun 01 | SEA | SJD | 09:17 | 13:15 |
Landed
|
Track > |
| May 31 | SEA | SJD | 09:21 | 13:11 |
Landed
|
Track > |
| May 30 | SEA | SJD | 09:30 | 13:12 |
Landed
|
Track > |
| May 29 | SEA | SJD | 10:01 | 13:42 |
Landed
|
Track > |
| May 28 | SEA | SJD | 09:30 | 13:18 |
Landed
|
Track > |
| May 27 | SEA | SJD | 12:40 | 16:25 |
Delayed
|
Track > |
Alaska Airlines Flight AS421 connects Seattle, United States to San Jose del Cabo, Mexico, taking off from Seattle Tacoma International Airport SEA and landing at San Jose del Cabo Los Cabos International Airport SJD.
How long is the AS421 flight from Seattle to San Jose del Cabo?
The average flight time from Seattle to San Jose del Cabo is 3 hours and 44 minutes. The flight distance is 2924 km / 1817 miles and the average flight speed is 772 km/h / 480 mph.
How many AS421 flights are operated per week?
7 flights per week. The flight AS421 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS421 Seattle to San Jose del Cabo?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS421 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AS421 arriving at?
Flight AS421 arrives at San Jose del Cabo Los Cabos International Airport (SJD) Terminal 2.
When was the latest AS421 flight?
The latest flight took off on Friday, June 5th, 2026 with the flight status being Scheduled on 13:32.
How else can the flight AS421 be referenced as?
This Alaska Airlines flight can also be referenced as ASA421, AS0421, AS 421, ASA 421.
How often is flight AS421 delayed?
On average, 20% of all AS421 flights are delayed. The average delay is 91 minutes.
Can I get compensation for my delayed or cancelled AS421 flight or baggage issues?
If your AS421 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our AS421 Flight Tracker above for more details.
Other flights departing from Seattle SEA: DL536, DL803, SY282, AS618
Other flights arriving at San Jose del Cabo SJD: B6939, UA1438
All flights connecting Seattle SEA to San Jose del Cabo SJD.