| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 01 | SEA | SAT | 09:13 | 14:53 |
Landed
|
Track > |
| Jun 15 | SEA | SAT | 09:09 | 14:42 |
Landed
|
Track > |
| Mar 19 | SEA | SAT | 11:30 | 16:56 |
Landed Late
|
Track > |
| Mar 17 | SEA | SAT | 10:30 | 15:42 |
Landed Late
|
Track > |
| Mar 09 | SEA | SAT | 10:39 | 16:13 |
Landed
|
Track > |
| Feb 25 | SEA | SAT | 11:48 | 17:02 |
Landed
|
Track > |
| Feb 21 | SEA | SAT | 09:28 | 14:50 |
En-Route
|
Track > |
| Feb 17 | SEA | SAT | 10:34 | 16:07 |
Landed Late
|
Track > |
| Feb 09 | SEA | SAT | 11:33 | 17:12 |
Landed Late
|
Track > |
| Feb 07 | SEA | SAT | 11:22 | 16:56 |
Landed
|
Track > |
Alaska Airlines Flight AS9421 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 AS9421 flight from Seattle to San Antonio?
The average flight time from Seattle to San Antonio is 3 hours and 29 minutes. The flight distance is 2854 km / 1773 miles and the average flight speed is 812 km/h / 505 mph.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS9421 Seattle to San Antonio?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS9421 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest AS9421 flight?
The latest flight took off on Wednesday, July 1st, 2026 with the flight status being Landed on 14:53.
How else can the flight AS9421 be referenced as?
This Alaska Airlines flight can also be referenced as ASA9421, AS 9421, ASA 9421.
How often is flight AS9421 delayed?
On average, 50% of all AS9421 flights are delayed. The average delay is 17 minutes.
Can I get compensation for my delayed or cancelled AS9421 flight or baggage issues?
If your AS9421 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 AS9421 Flight Tracker above for more details.
Other flights departing from Seattle SEA: UA1348, WN3397, KJ241, AS428
Other flights arriving at San Antonio SAT: WN4178, WN1437, WN174, WN311
All flights connecting Seattle SEA to San Antonio SAT.
