| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 02 | DEN | SEA | 17:54 | 19:23 |
Landed
|
Track > |
| Oct 01 | DEN | SEA | 18:12 | 19:38 |
Landed
|
Track > |
| Sep 30 | DEN | SEA | 17:57 | 19:29 |
Landed
|
Track > |
| Sep 29 | DEN | SEA | 18:16 | 19:49 |
Landed
|
Track > |
| Sep 28 | DEN | SEA | 18:01 | 19:32 |
Landed
|
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| Sep 27 | DEN | SEA | 18:16 | 19:46 |
Landed
|
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| Sep 25 | DEN | SEA | 21:39 | 19:41 |
Unknown
|
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| Sep 24 | DEN | SEA | 18:45 | 20:03 |
Landed Late
|
Track > |
| Sep 23 | DEN | SEA | 17:48 | 19:16 |
Landed
|
Track > |
| Sep 22 | DEN | SEA | 18:11 | 19:40 |
Landed
|
Track > |
Alaska Airlines Flight AS309 connects Denver, United States to Seattle, United States, taking off from Denver International Airport DEN and landing at Seattle Tacoma International Airport SEA.
How long is the AS309 flight from Denver to Seattle?
The average flight time from Denver to Seattle is 2 hours and 28 minutes. The flight distance is 1645 km / 1022 miles and the average flight speed is 654 km/h / 406 mph.
How many AS309 flights are operated per week?
5 flights per week. The flight AS309 is operated on Monday, Tuesday, Wednesday, Thursday and Friday.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS309 Denver to Seattle?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS309 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest AS309 flight?
The latest flight took off on Saturday, October 3rd, 2026 with the flight status being Landed on 19:23.
How else can the flight AS309 be referenced as?
This Alaska Airlines flight can also be referenced as ASA309, AS0309, AS 309, ASA 309.
How often is flight AS309 delayed?
On average, 30% of all AS309 flights are delayed. The average delay is 11 minutes.
Can I get compensation for my delayed or cancelled AS309 flight or baggage issues?
If your AS309 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 AS309 Flight Tracker above for more details.
Flight AS309 is code-shared by 2 airlines using the flight numbers JX7039, QR3387
Other flights departing from Denver DEN: OO5541, UA2254, UA1436, UA1565
Other flights arriving at Seattle SEA: AA1483, AS698, AS1322, QX2349
All flights connecting Denver DEN to Seattle SEA.