| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | SAN | SJC | 15:00 | 16:01 |
Landed
|
Track > |
| Jan 04 | SAN | SJC | 14:24 | 15:27 |
Landed
|
Track > |
| Jan 02 | SAN | SJC | 14:43 | 15:47 |
Landed Late
|
Track > |
| Jan 01 | SAN | SJC | 15:43 | 14:05 |
Unknown
|
Track > |
| Dec 31 | SAN | SJC | 13:51 | 14:45 |
Landed Late
|
Track > |
| Dec 30 | SAN | SJC | 14:48 | 15:45 |
Landed Late
|
Track > |
| Dec 29 | SAN | SJC | 16:08 | 17:08 |
Delayed
|
Track > |
| Dec 28 | SAN | SJC | 14:19 | 15:21 |
Landed
|
Track > |
| Dec 26 | SAN | SJC | 14:28 | 15:32 |
Landed
|
Track > |
| Dec 25 | SAN | SJC | 12:56 | 14:01 |
Landed
|
Track > |
Southwest Airlines Flight WN1821 connects San Diego, United States to San Jose, United States, taking off from San Diego International Airport SAN and landing at San Jose International Airport SJC.
How long is the WN1821 flight from San Diego to San Jose?
The average flight time from San Diego to San Jose is 1 hour and 1 minute. The flight distance is 671 km / 417 miles and the average flight speed is 638 km/h / 396 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN1821 San Diego to San Jose?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN1821 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN1821 arriving at?
Flight WN1821 arrives at San Jose International Airport (SJC) Terminal B.
When was the latest WN1821 flight?
The latest flight took off on Monday, January 5th, 2026 with the flight status being Landed on 16:01.
How else can the flight WN1821 be referenced as?
This Southwest Airlines flight can also be referenced as SWA1821, WN 1821, SWA 1821.
How often is flight WN1821 delayed?
On average, 60% of all WN1821 flights are delayed. The average delay is 29 minutes.
Can I get compensation for my delayed or cancelled WN1821 flight or baggage issues?
If your WN1821 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 WN1821 Flight Tracker above for more details.
Other flights departing from San Diego SAN: AA1682, WN498, WN452, WN3242
Other flights arriving at San Jose SJC: WN843, WN2606, WN4232, WN734
All flights connecting San Diego SAN to San Jose SJC.