| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 02 | JFK | SEA | 07:33 | 10:10 |
En-Route
|
Track > |
| Jul 01 | JFK | SEA | 07:22 | 09:40 |
Landed
|
Track > |
| Jun 30 | JFK | SEA | 07:36 | 10:05 |
Landed
|
Track > |
| Jun 29 | JFK | SEA | 07:09 | 09:24 |
Landed
|
Track > |
| Jun 28 | JFK | SEA | 07:20 | 09:55 |
Landed
|
Track > |
| Jun 27 | JFK | SEA | 07:23 | 09:36 |
Landed
|
Track > |
| Jun 26 | JFK | SEA | 07:21 | 09:59 |
Landed
|
Track > |
| Jun 25 | JFK | SEA | 07:32 | 10:21 |
Landed
|
Track > |
| Jun 24 | JFK | SEA | 07:17 | 09:57 |
Landed
|
Track > |
| Jun 23 | JFK | SEA | 07:32 | 10:18 |
Landed
|
Track > |
Alaska Airlines Flight AS21 connects New York, United States to Seattle, United States, taking off from New York John F. Kennedy International Airport JFK and landing at Seattle Tacoma International Airport SEA.
How long is the AS21 flight from New York to Seattle?
The average flight time from New York to Seattle is 5 hours and 32 minutes. The flight distance is 3887 km / 2415 miles and the average flight speed is 703 km/h / 437 mph.
How many AS21 flights are operated per week?
7 flights per week. The flight AS21 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS21 New York to Seattle?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS21 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest AS21 flight?
The latest flight took off on Thursday, July 2nd, 2026 with the flight status being En-Route on 10:10.
How else can the flight AS21 be referenced as?
This Alaska Airlines flight can also be referenced as ASA21, ASA021, AS021, AS0021, AS 21, ASA 21.
How often is flight AS21 delayed?
On average, 20% of all AS21 flights are delayed. The average delay is 3 minutes.
Can I get compensation for my delayed or cancelled AS21 flight or baggage issues?
If your AS21 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 AS21 Flight Tracker above for more details.
Flight AS21 is code-shared by 2 airlines using the flight numbers DE5245, QR3314
Other flights departing from New York JFK: AA3210, BW423, DL1422, DL2018
Other flights arriving at Seattle SEA: HU445, CX852, AS395, AS640
All flights connecting New York JFK to Seattle SEA.
