| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Mar 07 | SAT | LAX | 16:16 | 17:09 |
Landed
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| Mar 06 | SAT | LAX | 15:58 | 16:57 |
Landed
|
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| Mar 05 | SAT | LAX | 15:56 | 16:51 |
Landed
|
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| Mar 04 | SAT | LAX | 16:05 | 17:06 |
Landed
|
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| Mar 02 | SAT | LAX | 15:49 | 16:54 |
Landed
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| Mar 01 | SAT | LAX | 18:06 | 18:57 |
Delayed
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| Feb 28 | SAT | LAX | 15:54 | 16:43 |
Landed
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| Feb 27 | SAT | LAX | 17:54 | 18:50 |
Delayed
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| Feb 26 | SAT | LAX | 16:16 | 17:11 |
Landed
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| Feb 25 | SAT | LAX | 16:04 | 17:00 |
Landed
|
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Alaska Airlines Flight AS4521 connects San Antonio, United States to Los Angeles, United States, taking off from San Antonio International Airport SAT and landing at Los Angeles International Airport LAX.
How long is the AS4521 flight from San Antonio to Los Angeles?
The average flight time from San Antonio to Los Angeles is 2 hours and 56 minutes. The flight distance is 1944 km / 1208 miles and the average flight speed is 663 km/h / 412 mph.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS4521 San Antonio to Los Angeles?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS4521 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AS4521 arriving at?
Flight AS4521 arrives at Los Angeles International Airport (LAX) Terminal 4.
When was the latest AS4521 flight?
The latest flight took off on Sunday, March 8th, 2026 with the flight status being Landed on 17:09.
How else can the flight AS4521 be referenced as?
This Alaska Airlines flight can also be referenced as ASA4521, AS 4521, ASA 4521.
How often is flight AS4521 delayed?
On average, 20% of all AS4521 flights are delayed. The average delay is 92 minutes.
Can I get compensation for my delayed or cancelled AS4521 flight or baggage issues?
If your AS4521 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 AS4521 Flight Tracker above for more details.
Other flights departing from San Antonio SAT: AA3122, AA6497, AS9441, WN1182
Other flights arriving at Los Angeles LAX: DL8771, DL876, AA6497, WN4092
All flights connecting San Antonio SAT to Los Angeles LAX.
