| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 15 | SEA | BOI | 10:39 | 12:40 |
Landed
|
Track > |
| Aug 12 | SEA | BOI | 10:24 | 12:23 |
Landed
|
Track > |
| Aug 08 | SEA | BOI | 10:40 | 12:35 |
Landed
|
Track > |
| Aug 05 | SEA | BOI | 10:59 | 12:57 |
Landed
|
Track > |
| Aug 01 | SEA | BOI | 10:30 | 12:29 |
Landed
|
Track > |
| Jul 29 | SEA | BOI | 11:03 | 13:05 |
Landed Late
|
Track > |
| Jul 25 | SEA | BOI | 10:35 | 12:33 |
Landed
|
Track > |
| Jul 22 | SEA | BOI | 10:48 | 12:48 |
Landed
|
Track > |
| Jul 18 | SEA | BOI | 11:15 | 13:14 |
Landed Late
|
Track > |
| Jul 15 | SEA | BOI | 10:39 | 12:44 |
Landed
|
Track > |
Alaska Airlines Flight AS428 connects Seattle, United States to Boise, United States, taking off from Seattle Tacoma International Airport SEA and landing at Boise Airport BOI.
How long is the AS428 flight from Seattle to Boise?
The average flight time from Seattle to Boise is 59 minutes. The flight distance is 641 km / 398 miles and the average flight speed is 647 km/h / 402 mph.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS428 Seattle to Boise?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS428 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest AS428 flight?
The latest flight took off on Saturday, August 15th, 2026 with the flight status being Landed on 12:40.
How else can the flight AS428 be referenced as?
This Alaska Airlines flight can also be referenced as ASA428, AS0428, AS 428, ASA 428.
How often is flight AS428 delayed?
On average, 40% of all AS428 flights are delayed. The average delay is 14 minutes.
Can I get compensation for my delayed or cancelled AS428 flight or baggage issues?
If your AS428 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 AS428 Flight Tracker above for more details.
Flight AS428 is code-shared by 1 airline using the flight number QR4280
Other flights departing from Seattle SEA: QX2054, AS1810, OO3090, AS1380
Other flights arriving at Boise BOI: DL3678, WN4365, QX2089, G41597
All flights connecting Seattle SEA to Boise BOI.