| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 12 | PDX | SEA | 06:28 | 06:54 |
Landed
|
Track > |
| May 11 | PDX | SEA | 06:13 | 06:39 |
Landed
|
Track > |
| May 10 | PDX | SEA | 07:23 | 07:48 |
Delayed
|
Track > |
| May 09 | PDX | SEA | 06:18 | 06:51 |
Landed
|
Track > |
| May 07 | PDX | SEA | 05:52 | 07:02 |
Unknown
|
Track > |
| May 06 | PDX | SEA | 05:59 | 06:46 |
En-Route
|
Track > |
| May 05 | PDX | SEA | 05:59 | 06:54 |
Unknown
|
Track > |
| May 04 | PDX | SEA | 05:54 | 07:07 |
Unknown
|
Track > |
| May 03 | PDX | SEA | 06:01 | 07:05 |
Unknown
|
Track > |
| Apr 30 | PDX | SEA | 06:00 | 07:02 |
En-Route
|
Track > |
Alaska Airlines Flight AS403 connects Portland, United States to Seattle, United States, taking off from Portland International Airport PDX and landing at Seattle Tacoma International Airport SEA.
How long is the AS403 flight from Portland to Seattle?
The average flight time from Portland to Seattle is 46 minutes. The flight distance is 208 km / 129 miles and the average flight speed is 307 km/h / 191 mph.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS403 Portland to Seattle?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS403 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest AS403 flight?
The latest flight took off on Tuesday, May 12th, 2026 with the flight status being Landed on 06:54.
How else can the flight AS403 be referenced as?
This Alaska Airlines flight can also be referenced as ASA403, AS0403, AS 403, ASA 403.
How often is flight AS403 delayed?
On average, 30% of all AS403 flights are delayed. The average delay is 18 minutes.
Can I get compensation for my delayed or cancelled AS403 flight or baggage issues?
If your AS403 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 AS403 Flight Tracker above for more details.
Other flights departing from Portland PDX: AA3102, AA3328, AS355, AS2388
Other flights arriving at Seattle SEA: AS2211, AS2165, AS3448, AS3311
All flights connecting Portland PDX to Seattle SEA.