AS521 Alaska Airlines - Flight Status
Below, you can find details about Alaska Airlines flight AS521, which currently operates between the airports of Austin - Austin-Bergstrom International Airport (Airport Code AUS) and Seattle - Seattle-Tacoma International Airport (Airport Code SEA).
This flight data pertains specifically to the flight's details for Thursday, June 05, 2025.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights AS521
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights AS521
AS521 On Time performance:
95
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays Flight Status
AS521 Alaska Airlines from Austin
Scheduled - On-time
Flight Status for Thursday June 05, 2025
This flight was also scheduled for Yesterday (June 04, 2025). See it here
This flight is also scheduled for Tomorrow (June 06, 2025). See it here
Scheduled - On-time
Flight Status for Thursday June 05, 2025
Departure
Austin (AUS)
June 05, 2025
Austin-Bergstrom International Airport
Estimated Departure Time:
01:34 pm
Terminal:
-
Gate:
32
Scheduled Departure Time: 01:34 pm
Arrival
Seattle (SEA)
June 05, 2025
Seattle-Tacoma International Airport
Estimated Arrival Time:
04:01 pm
Gate:
N8
Scheduled Arrival Time: 04:12 pm
Baggage: 13
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.
Codeshare Flights
This flight is shared with other airlines, this means that these other flights are the same:
- AA7540 - American Airlines
- AY2516 - Finnair
- HA4734 - Hawaiian Airlines
- JX7045 - Starlux Airlines
- TN2353 - Air Tahiti Nui
Additional Information
Which is the frequency of flight AS521?
The flight AS521 is scheduled to flight on daily basis.
Which is the distance of flight AS521?
The distance between the two airports is 1769 miles.
Which is the flight time of flight AS521?
The scheduled flight time gate to gate is: 04:38 hours.
The real flight time gate to gate on average is: 04:23 hours.
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 Austin: 2025-06-05 03:04:40
Current Time in Seattle: 2025-06-05 01:04:40
The flight AS521 is scheduled to flight on daily basis.
Which is the distance of flight AS521?
The distance between the two airports is 1769 miles.
Which is the flight time of flight AS521?
The scheduled flight time gate to gate is: 04:38 hours.
The real flight time gate to gate on average is: 04:23 hours.
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 Austin: 2025-06-05 03:04:40
Current Time in Seattle: 2025-06-05 01:04:40
Alternative Flights
The following airlines serves the same route between Austin and Seattle:
Alaska Airlines
- Flight Number: AS110. (On Time performance: 93 - Average Delay: 13 minutes)
- Flight Number: AS313. (On Time performance: 53 - Average Delay: 32 minutes)
- Flight Number: AS342. (On Time performance: 54 - Average Delay: 40 minutes)
- Flight Number: AS503. (On Time performance: 84 - Average Delay: 9 minutes)
- Flight Number: AS595. (On Time performance: 86 - Average Delay: 15 minutes)
- Flight Number: AS722. (On Time performance: 78 - Average Delay: 13 minutes)
Delta Air Lines
- Flight Number: DL315. (On Time performance: 62 - Average Delay: 38 minutes)
- Flight Number: DL382. (On Time performance: 82 - Average Delay: 75 minutes)
- Flight Number: DL780. (On Time performance: 94 - Average Delay: 4 minutes)
Alaska Airlines
- Flight Number: AS110. (On Time performance: 93 - Average Delay: 13 minutes)
- Flight Number: AS313. (On Time performance: 53 - Average Delay: 32 minutes)
- Flight Number: AS342. (On Time performance: 54 - Average Delay: 40 minutes)
- Flight Number: AS503. (On Time performance: 84 - Average Delay: 9 minutes)
- Flight Number: AS595. (On Time performance: 86 - Average Delay: 15 minutes)
- Flight Number: AS722. (On Time performance: 78 - Average Delay: 13 minutes)
Delta Air Lines
- Flight Number: DL315. (On Time performance: 62 - Average Delay: 38 minutes)
- Flight Number: DL382. (On Time performance: 82 - Average Delay: 75 minutes)
- Flight Number: DL780. (On Time performance: 94 - Average Delay: 4 minutes)
Punctuality and delays
We have gathered data from recent months and present below an analysis of how timely the flights have been.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from March 09, 2025 to June 01, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.
Note: We have excluded some days from the graph, since the quantity and quality of the data is not representative enough.
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from March 09, 2025 to May 31, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.
In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from March 09, 2025 to June 01, 2025, we have obtained these figures.
Total number of flights: 19
On Time: 18 ( 95 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 1 ( 5 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 5 minutes.
Total number of flights: 19
On Time: 18 ( 95 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 1 ( 5 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 5 minutes.
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from March 09, 2025 to May 31, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
Last Past Flights AS521
Date
Departure
Arrival
Duration
Aircraft
Status
Wednesday
04 June
04 June
01:31 pm
Austin (AUS)
Austin (AUS)
04:07 pm
Seattle (SEA)
Seattle (SEA)
04h 36min
Boeing 737-900
Boeing 737-900
Landed - On-time
Tuesday
03 June
03 June
01:31 pm
Austin (AUS)
Austin (AUS)
04:08 pm
Seattle (SEA)
Seattle (SEA)
04h 37min
Boeing 737-900
Boeing 737-900
Landed - On-time
Monday
02 June
02 June
01:37 pm
Austin (AUS)
Austin (AUS)
04:06 pm
Seattle (SEA)
Seattle (SEA)
04h 29min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Sunday
01 June
01 June
01:55 pm
Austin (AUS)
Austin (AUS)
04:24 pm
Seattle (SEA)
Seattle (SEA)
04h 29min
Boeing 737-900
Boeing 737-900
Landed - On-time
Saturday
31 May
31 May
01:39 pm
Austin (AUS)
Austin (AUS)
03:50 pm
Seattle (SEA)
Seattle (SEA)
04h 11min
Boeing 737-900
Boeing 737-900
Landed - On-time
Friday
30 May
30 May
02:04 pm
Austin (AUS)
Austin (AUS)
04:26 pm
Seattle (SEA)
Seattle (SEA)
04h 22min
Boeing 737-900
Boeing 737-900
Landed - On-time
Thursday
29 May
29 May
01:37 pm
Austin (AUS)
Austin (AUS)
04:18 pm
Seattle (SEA)
Seattle (SEA)
04h 41min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Wednesday
28 May
28 May
02:04 pm
Austin (AUS)
Austin (AUS)
04:24 pm
Seattle (SEA)
Seattle (SEA)
04h 20min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Tuesday
27 May
27 May
02:40 pm
Austin (AUS)
Austin (AUS)
04:49 pm
Seattle (SEA)
Seattle (SEA)
04h 09min
Boeing 737-900
Boeing 737-900
Landed - Delayed
Monday
26 May
26 May
01:36 pm
Austin (AUS)
Austin (AUS)
03:47 pm
Seattle (SEA)
Seattle (SEA)
04h 11min
Boeing 737-800
Boeing 737-800
Landed - On-time