| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 17 | SEA | SJC | 22:27 | 00:12 |
Landed
|
Track > |
| Aug 16 | SEA | SJC | 21:55 | 23:43 |
Landed
|
Track > |
| Aug 14 | SEA | SJC | 22:38 | 00:23 |
Landed Late
|
Track > |
| Aug 13 | SEA | SJC | 22:40 | 00:22 |
Landed Late
|
Track > |
| Aug 12 | SEA | SJC | 22:27 | 00:14 |
Landed Late
|
Track > |
| Aug 10 | SEA | SJC | 22:06 | 23:50 |
Landed
|
Track > |
| Aug 09 | SEA | SJC | 22:52 | 00:34 |
Landed Late
|
Track > |
| Aug 07 | SEA | SJC | 22:17 | 23:59 |
Landed
|
Track > |
| Aug 06 | SEA | SJC | 22:25 | 00:09 |
Landed
|
Track > |
| Aug 05 | SEA | SJC | 22:20 | 00:01 |
Landed
|
Track > |
Alaska Airlines Flight AS523 connects Seattle, United States to San Jose, United States, taking off from Seattle Tacoma International Airport SEA and landing at San Jose International Airport SJC.
How long is the AS523 flight from Seattle to San Jose?
The average flight time from Seattle to San Jose is 1 hour and 44 minutes. The flight distance is 1122 km / 697 miles and the average flight speed is 647 km/h / 402 mph.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS523 Seattle to San Jose?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS523 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AS523 arriving at?
Flight AS523 arrives at San Jose International Airport (SJC) Terminal B.
When was the latest AS523 flight?
The latest flight took off on Tuesday, August 18th, 2026 with the flight status being Landed on 00:12.
How else can the flight AS523 be referenced as?
This Alaska Airlines flight can also be referenced as ASA523, AS0523, AS 523, ASA 523.
How often is flight AS523 delayed?
On average, 70% of all AS523 flights are delayed. The average delay is 17 minutes.
Can I get compensation for my delayed or cancelled AS523 flight or baggage issues?
If your AS523 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 AS523 Flight Tracker above for more details.
Flight AS523 is code-shared by 1 airline using the flight number QR3418
Other flights departing from Seattle SEA: QX2121, DL2186, DL2512, AS1560
Other flights arriving at San Jose SJC: AS678, AS1624, WN1509, WN1143
All flights connecting Seattle SEA to San Jose SJC.