| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 29 | SEA | GSO | 11:05 | 18:45 |
Landed Late
|
Track > |
| May 27 | SEA | GSO | 10:49 | 18:33 |
Landed
|
Track > |
| May 19 | SEA | GSO | 10:37 | 18:08 |
Landed Late
|
Track > |
| May 03 | SEA | GSO | 13:04 | 20:55 |
Unknown
|
Track > |
| Apr 05 | SEA | GSO | 11:20 | 18:45 |
Landed
|
Track > |
| Apr 01 | SEA | GSO | 10:33 | 18:05 |
Landed Late
|
Track > |
| Mar 29 | SEA | GSO | 12:07 | 19:30 |
Landed
|
Track > |
| Mar 21 | SEA | GSO | 10:58 | 18:16 |
En-Route
|
Track > |
| Feb 15 | SEA | GSO | 13:57 | 21:02 |
Landed
|
Track > |
| Jan 17 | SEA | GSO | 12:33 | 20:01 |
Delayed
|
Track > |
Alaska Airlines Flight AS9421 connects Seattle, United States to Greensboro, United States, taking off from Seattle Tacoma International Airport SEA and landing at Greensboro Piedmont Triad International Airport GSO.
How long is the AS9421 flight from Seattle to Greensboro?
The average flight time from Seattle to Greensboro is 4 hours and 28 minutes. The flight distance is 3681 km / 2287 miles and the average flight speed is 794 km/h / 493 mph.
How many AS9421 flights are operated per week?
1 flight per week. The flight AS9421 is operated on Friday.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS9421 Seattle to Greensboro?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS9421 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest AS9421 flight?
The latest flight took off on Friday, May 29th, 2026 with the flight status being Landed on 18:45.
How else can the flight AS9421 be referenced as?
This Alaska Airlines flight can also be referenced as ASA9421, AS 9421, ASA 9421.
How often is flight AS9421 delayed?
On average, 50% of all AS9421 flights are delayed. The average delay is 29 minutes.
Can I get compensation for my delayed or cancelled AS9421 flight or baggage issues?
If your AS9421 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 AS9421 Flight Tracker above for more details.
Other flights departing from Seattle SEA: AS3080, AS438, AS584, 8C3389
Other flights arriving at Greensboro GSO: AA1895, AA1894, DL5107, AA4350
All flights connecting Seattle SEA to Greensboro GSO.
