| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Dec 15 | SEA | SAT | 18:42 | 00:06 |
Landed
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| Dec 14 | SEA | SAT | 18:16 | 23:44 |
Landed
|
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| Dec 12 | SEA | SAT | 18:17 | 23:41 |
Landed
|
Track > |
| Dec 11 | SEA | SAT | 18:39 | 00:05 |
Landed
|
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| Dec 08 | SEA | SAT | 18:05 | 23:20 |
Landed
|
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| Dec 07 | SEA | SAT | 18:44 | 00:04 |
Landed
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| Dec 05 | SEA | SAT | 18:01 | 23:15 |
Landed
|
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| Dec 04 | SEA | SAT | 18:34 | 23:57 |
Landed
|
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| Nov 20 | SEA | SAT | 18:17 | 23:50 |
Landed
|
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| Nov 17 | SEA | SAT | 18:31 | 00:05 |
Landed
|
Track > |
Alaska Airlines Flight AS423 connects Seattle, United States to San Antonio, United States, taking off from Seattle Tacoma International Airport SEA and landing at San Antonio International Airport SAT.
How long is the AS423 flight from Seattle to San Antonio?
The average flight time from Seattle to San Antonio is 3 hours and 24 minutes. The flight distance is 2854 km / 1773 miles and the average flight speed is 840 km/h / 522 mph.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS423 Seattle to San Antonio?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS423 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AS423 arriving at?
Flight AS423 arrives at San Antonio International Airport (SAT) Terminal A.
When was the latest AS423 flight?
The latest flight took off on Tuesday, December 16th, 2025 with the flight status being Landed on 00:06.
How else can the flight AS423 be referenced as?
This Alaska Airlines flight can also be referenced as ASA423, AS0423, AS 423, ASA 423.
How often is flight AS423 delayed?
On average, 30% of all AS423 flights are delayed. The average delay is 7 minutes.
Can I get compensation for my delayed or cancelled AS423 flight or baggage issues?
If your AS423 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 AS423 Flight Tracker above for more details.
Flight AS423 is code-shared by 4 airlines using the flight numbers DE5294, HA6890, QR3364, TN2532
Other flights departing from Seattle SEA: AS328, AS771, AS3046, AS123
Other flights arriving at San Antonio SAT: UA658, UA1975, WN2900, UA2003
All flights connecting Seattle SEA to San Antonio SAT.
