| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 11 | SEA | DEN | 20:56 | 00:08 |
Landed
|
Track > |
| Jun 10 | SEA | DEN | 20:35 | 23:40 |
Landed
|
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| Jun 09 | SEA | DEN | 21:06 | 00:13 |
Landed
|
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| Jun 08 | SEA | DEN | 21:09 | 00:15 |
Landed
|
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| Jun 07 | SEA | DEN | 20:50 | 23:53 |
Landed
|
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| Jun 06 | SEA | DEN | 21:17 | 00:16 |
Landed
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| Jun 05 | SEA | DEN | 21:22 | 00:36 |
Landed Late
|
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| Jun 04 | SEA | DEN | 20:43 | 23:49 |
Landed
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| Jun 03 | SEA | DEN | 20:59 | 23:59 |
Landed
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| Jun 02 | SEA | DEN | 20:59 | 00:14 |
Landed
|
Track > |
Alaska Airlines Flight AS321 connects Seattle, United States to Denver, United States, taking off from Seattle Tacoma International Airport SEA and landing at Denver International Airport DEN.
How long is the AS321 flight from Seattle to Denver?
The average flight time from Seattle to Denver is 2 hours and 6 minutes. The flight distance is 1645 km / 1022 miles and the average flight speed is 780 km/h / 485 mph.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS321 Seattle to Denver?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS321 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest AS321 flight?
The latest flight took off on Thursday, June 12th, 2025 with the flight status being Landed on 00:08.
How else can the flight AS321 be referenced as?
This Alaska Airlines flight can also be referenced as ASA321, AS0321, AS 321, ASA 321.
How often is flight AS321 delayed?
On average, 60% of all AS321 flights are delayed. The average delay is 12 minutes.
Can I get compensation for my delayed or cancelled AS321 flight or baggage issues?
If your AS321 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 AS321 Flight Tracker above for more details.
Flight AS321 is code-shared by 6 airlines using the flight numbers DE5270, FI7699, HA6455, JX7040, QR2129, TN2477
Other flights departing from Seattle SEA: AS1014, AS3316, AS546, AS115
Other flights arriving at Denver DEN: UA2858, UA1597, AS111, UA1481
All flights connecting Seattle SEA to Denver DEN.
