AS9578 Alaska Airlines - Flight Status
Below, you can find details about Alaska Airlines flight AS9578, which currently operates between the airports of Seattle - Seattle-Tacoma International Airport (Airport Code SEA) and San Antonio - San Antonio International Airport (Airport Code SAT).
This flight data pertains specifically to the flight's details for Saturday, December 20, 2025.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights AS9578
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights AS9578
AS9578 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions. Flight Status
AS9578 Alaska Airlines to San Antonio
En Route - Delayed
Delay: 100 minutes
Flight Status for Saturday December 20, 2025
En Route - Delayed
Delay: 100 minutes
Flight Status for Saturday December 20, 2025
Airline information
Alaska Airlines
Equipment: Boeing 737-800 (Scimitar Winglets) Passenger
Departure
Seattle (SEA)
December 20, 2025
Seattle-Tacoma International Airport
Departed at:
10:25 am
Gate:
D21
Scheduled Departure Time: 10:45 am
Arrival
San Antonio (SAT)
December 20, 2025
San Antonio International Airport
Estimated Arrival Time:
05:50 pm
Terminal:
-
Gate:
-
Scheduled Arrival Time: 04:10 pm
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.seattle-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.
Additional Information
Which is the frequency of flight AS9578?
The flight AS9578 is currently not scheduled at Seattle Airport - SEATAC.
Which is the distance of flight AS9578?
The distance between the two airports is 1774 miles.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Seattle: 2025-12-20 13:30:40
Current Time in San Antonio: 2025-12-20 15:30:40
The flight AS9578 is currently not scheduled at Seattle Airport - SEATAC.
Which is the distance of flight AS9578?
The distance between the two airports is 1774 miles.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Seattle: 2025-12-20 13:30:40
Current Time in San Antonio: 2025-12-20 15:30:40
Alternative Flights
The following airline serve the same route between Seattle and San Antonio:
Alaska Airlines - Flight Number: AS423. (On Time performance: 86 - Average Delay: 6 minutes)
Alaska Airlines - Flight Number: AS423. (On Time performance: 86 - Average Delay: 6 minutes)
Punctuality and delays
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Last Past Flights AS9578
No flights for AS9578 were scheduled in the past month. The last flight took place on Saturday, December 20, 2025