Airport Tips & Quick Reference Guide to Seattle–Tacoma Airport - Seatac (SEA)

AS525 Alaska Airlines - Flight Status

Below, you can find details about Alaska Airlines flight AS525, which currently operates between the airports of Denver - Denver International Airport (Airport Code DEN) and Seattle - Seattle-Tacoma International Airport (Airport Code SEA).
This flight data pertains specifically to the flight's details for Wednesday, June 03, 2026.

AS525 On Time performance:
80
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

AS525 Alaska Airlines from Denver

Landed - On-time
Flight Status for Wednesday June 03, 2026
This flight is also scheduled for Today (June 04, 2026). See it here
This flight is also scheduled for Tomorrow (June 05, 2026). See it here

Airline information

Alaska Airlines
Alaska Airlines
Equipment: Boeing 737MAX 9 Passenger

Departure

Denver (DEN)
June 03, 2026
Denver International Airport
Departed at:
09:00 am
Terminal:
-
Gate:
A46
Scheduled Departure Time: 09:00 am

Arrival

Seattle (SEA)
June 03, 2026
Seattle-Tacoma International Airport
Arrived at:
10:51 am
Gate:
C20
Scheduled Arrival Time: 11:04 am
Baggage: 15
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:

- DE5208 - Condor

- JL6365 - JAL

- QR2030 - Qatar Airways

Additional Information

Which is the frequency of flight AS525?
The flight AS525 is scheduled to flight on daily basis.

Which is the distance of flight AS525?
The distance between the two airports is 1022 miles.

Which is the flight time of flight AS525?
The scheduled flight time gate to gate is: 03:04 hours.
The real flight time gate to gate on average is: 03:02 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 Denver: 2026-06-04 01:30:29
Current Time in Seattle: 2026-06-04 00:30:29

Alternative Flights

The following airlines serves the same route between Denver and Seattle:

Alaska Airlines
- Flight Number: AS1332. (On Time performance: 89 - Average Delay: 8 minutes)
- Flight Number: AS643. (On Time performance: 92 - Average Delay: 4 minutes)
- Flight Number: AS647. (On Time performance: 86 - Average Delay: 6 minutes)
- Flight Number: AS682. (On Time performance: 82 - Average Delay: 7 minutes)
- Flight Number: AS785. (On Time performance: 64 - Average Delay: 16 minutes)

Air Transport International
- Flight Number: 8C3375. (On Time performance: 28 - Average Delay: 44 minutes)
- Flight Number: 8C3395.

Delta Air Lines
- Flight Number: DL1358. (On Time performance: 86 - Average Delay: 4 minutes)
- Flight Number: DL1731. (On Time performance: 96 - Average Delay: 6 minutes)
- Flight Number: DL2759. (On Time performance: 38 - Average Delay: 45 minutes)

Frontier Airlines
- Flight Number: F91175. (On Time performance: 89 - Average Delay: 3 minutes)
- Flight Number: F94545. (On Time performance: 86 - Average Delay: 10 minutes)

United Airlines
- Flight Number: UA1424. (On Time performance: 81 - Average Delay: 14 minutes)
- Flight Number: UA1482. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: UA2013. (On Time performance: 81 - Average Delay: 14 minutes)
- Flight Number: UA2164. (On Time performance: 60 - Average Delay: 24 minutes)
- Flight Number: UA2271. (On Time performance: 92 - Average Delay: 3 minutes)
- Flight Number: UA2651. (On Time performance: 67 - Average Delay: 17 minutes)
- Flight Number: UA360. (On Time performance: 65 - Average Delay: 19 minutes)

Southwest Airlines
- Flight Number: WN1801. (On Time performance: 43 - Average Delay: 27 minutes)
- Flight Number: WN2068. (On Time performance: 47 - Average Delay: 28 minutes)
- Flight Number: WN2595. (On Time performance: 86 - Average Delay: 5 minutes)
- Flight Number: WN3398. (On Time performance: 66 - Average Delay: 11 minutes)
- Flight Number: WN4204. (On Time performance: 63 - Average Delay: 13 minutes)
- Flight Number: WN972. (On Time performance: 69 - Average Delay: 13 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from May 13, 2026 to May 27, 2026, we have obtained these figures.
Total number of flights: 15
On Time: 12 ( 80 % )
Moderate Delay: 2 ( 13 % )
Significant Delay: 1 ( 7 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 6 minutes.
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: We have gathered available data from last twelve closed months, spanning from May 16, 2025 to October 25, 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 AS525

Date
Departure
Arrival
Duration
Aircraft
Status
Wednesday
03 June
09:00 am
Denver (DEN)
10:51 am
Seattle (SEA)
02h 51min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Tuesday
02 June
09:22 am
Denver (DEN)
11:06 am
Seattle (SEA)
02h 44min
Boeing 737-800
Boeing 737-800
Landed - On-time
Monday
01 June
04:22 pm
Denver (DEN)
06:36 pm
Seattle (SEA)
03h 14min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Sunday
31 May
09:06 am
Denver (DEN)
10:44 am
Seattle (SEA)
02h 38min
Boeing 737-800
Boeing 737-800
Landed - On-time
Saturday
30 May
03:13 pm
Denver (DEN)
04:44 pm
Seattle (SEA)
02h 31min
Boeing 737-900
Boeing 737-900
Landed - Delayed
Friday
29 May
08:59 am
Denver (DEN)
10:49 am
Seattle (SEA)
02h 50min
Boeing 737-900
Boeing 737-900
Landed - On-time
Thursday
28 May
08:52 am
Denver (DEN)
10:33 am
Seattle (SEA)
02h 41min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Wednesday
27 May
08:55 am
Denver (DEN)
10:48 am
Seattle (SEA)
02h 53min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Tuesday
26 May
09:36 am
Denver (DEN)
11:36 am
Seattle (SEA)
03h 00min
Boeing 737-900
Boeing 737-900
Landed - Delayed
Monday
25 May
08:54 am
Denver (DEN)
11:01 am
Seattle (SEA)
03h 07min
Boeing 737-800
Boeing 737-800
Landed - On-time