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

AS453 Alaska Airlines - Flight Status

Below, you can find details about Alaska Airlines flight AS453, which currently operates between the airports of Seattle - Seattle-Tacoma International Airport (Airport Code SEA) and Portland - Portland International Airport (Airport Code PDX).
This flight data pertains specifically to the flight's details for Monday, August 31, 2026.

AS453 On Time performance:
91
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

AS453 Alaska Airlines to Portland

Landed - On-time
Flight Status for Monday August 31, 2026
This flight is also scheduled for Today (September 01, 2026). See it here
This flight is also scheduled for Tomorrow (September 02, 2026). See it here

Airline information

Alaska Airlines
Alaska Airlines
Equipment: Boeing 737-800 (Scimitar Winglets) Passenger

Departure

Seattle (SEA)
August 31, 2026
Seattle-Tacoma International Airport
Departed at:
07:05 am
Gate:
C10B
Scheduled Departure Time: 07:08 am

Arrival

Portland (PDX)
August 31, 2026
Portland International Airport
Arrived at:
08:05 am
Terminal:
-
Gate:
C9
Scheduled Arrival Time: 08:11 am
Baggage: 3
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 AS453?
The flight AS453 is scheduled to flight on daily basis.

Which is the distance of flight AS453?
The distance between the two airports is 129 miles.

Which is the flight time of flight AS453?
The scheduled flight time gate to gate is: 01:03 hours.
The real flight time gate to gate on average is: 00:54 hours.

Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.

Alternative Flights

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

Alaska Airlines
- Flight Number: AS1457. (On Time performance: 66 - Average Delay: 17 minutes)
- Flight Number: AS1867. (On Time performance: 82 - Average Delay: 8 minutes)
- Flight Number: AS2028. (On Time performance: 64 - Average Delay: 18 minutes)
- Flight Number: AS2049. (On Time performance: 27 - Average Delay: 22 minutes)
- Flight Number: AS2125. (On Time performance: 71 - Average Delay: 16 minutes)
- Flight Number: AS2181. (On Time performance: 51 - Average Delay: 20 minutes)
- Flight Number: AS2231. (On Time performance: 91 - Average Delay: 3 minutes)
- Flight Number: AS2302. (On Time performance: 67 - Average Delay: 18 minutes)
- Flight Number: AS2325. (On Time performance: 82 - Average Delay: 7 minutes)
- Flight Number: AS2372. (On Time performance: 79 - Average Delay: 10 minutes)
- Flight Number: AS2377. (On Time performance: 80 - Average Delay: 12 minutes)
- Flight Number: AS2387. (On Time performance: 83 - Average Delay: 9 minutes)
- Flight Number: AS2421. (On Time performance: 75 - Average Delay: 9 minutes)
- Flight Number: AS2432. (On Time performance: 99 - Average Delay: 1 minutes)
- Flight Number: AS3090. (On Time performance: 94 - Average Delay: 4 minutes)
- Flight Number: AS3132. (On Time performance: 81 - Average Delay: 10 minutes)
- Flight Number: AS3145. (On Time performance: 89 - Average Delay: 2 minutes)
- Flight Number: AS3204. (On Time performance: 71 - Average Delay: 14 minutes)
- Flight Number: AS434. (On Time performance: 91 - Average Delay: 4 minutes)
- Flight Number: AS441. (On Time performance: 75 - Average Delay: 14 minutes)
- Flight Number: AS488. (On Time performance: 93 - Average Delay: 5 minutes)
- Flight Number: AS498. (On Time performance: 55 - Average Delay: 22 minutes)
- Flight Number: AS686. (On Time performance: 68 - Average Delay: 13 minutes)

Delta Air Lines
- Flight Number: DL3802. (On Time performance: 77 - Average Delay: 17 minutes)
- Flight Number: DL3818. (On Time performance: 82 - Average Delay: 7 minutes)
- Flight Number: DL3913. (On Time performance: 64 - Average Delay: 17 minutes)
- Flight Number: DL3918. (On Time performance: 83 - Average Delay: 9 minutes)
- Flight Number: DL3923. (On Time performance: 81 - Average Delay: 9 minutes)
- Flight Number: DL3953. (On Time performance: 88 - Average Delay: 8 minutes)
- Flight Number: DL4062. (On Time performance: 82 - Average Delay: 8 minutes)
- Flight Number: DL4472. (On Time performance: 67 - Average Delay: 15 minutes)

ABX Air
- Flight Number: GB814. (On Time performance: 62 - Average Delay: 18 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 August 19, 2026 to August 29, 2026, we have obtained these figures.
Total number of flights: 11
On Time: 10 ( 91 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 1 ( 9 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 4 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: 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 AS453

Date
Departure
Arrival
Duration
Aircraft
Status
Monday
31 August
07:05 am
Seattle (SEA)
08:05 am
Portland (PDX)
01h 00min
Boeing 737-800
Boeing 737-800
Landed - On-time
Sunday
30 August
07:01 am
Seattle (SEA)
07:50 am
Portland (PDX)
00h 49min
Boeing 737-800
Boeing 737-800
Landed - On-time
Saturday
29 August
07:52 am
Seattle (SEA)
08:45 am
Portland (PDX)
00h 53min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Friday
28 August
07:06 am
Seattle (SEA)
07:54 am
Portland (PDX)
00h 48min
Boeing 737-800
Boeing 737-800
Landed - On-time
Thursday
27 August
07:00 am
Seattle (SEA)
07:50 am
Portland (PDX)
00h 50min
Boeing 737-800
Boeing 737-800
Landed - On-time
Wednesday
26 August
06:59 am
Seattle (SEA)
07:52 am
Portland (PDX)
00h 53min
Boeing 737-800
Boeing 737-800
Landed - On-time
Tuesday
25 August
07:33 am
Seattle (SEA)
08:21 am
Portland (PDX)
00h 48min
Boeing 737-800
Boeing 737-800
Landed - On-time
Monday
24 August
07:01 am
Seattle (SEA)
07:49 am
Portland (PDX)
00h 48min
Boeing 737-800
Boeing 737-800
Landed - On-time
Sunday
23 August
07:00 am
Seattle (SEA)
07:53 am
Portland (PDX)
00h 53min
Boeing 737-800
Boeing 737-800
Landed - On-time
Saturday
22 August
07:01 am
Seattle (SEA)
07:47 am
Portland (PDX)
00h 46min
Boeing 737-900
Boeing 737-900
Landed - On-time