| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 01 | BOI | SEA | 09:07 | 09:13 |
En-Route
|
Track > |
| Aug 31 | BOI | SEA | 10:54 | 11:00 |
Delayed
|
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| Aug 28 | BOI | SEA | 10:02 | 10:14 |
Landed Late
|
Track > |
| Aug 26 | BOI | SEA | 09:08 | 09:18 |
Landed
|
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| Aug 25 | BOI | SEA | 09:09 | 09:20 |
Landed
|
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| Aug 24 | BOI | SEA | 09:07 | 09:29 |
Landed
|
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| Aug 21 | BOI | SEA | 09:12 | 09:17 |
Landed
|
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| Jul 29 | BOI | SEA | 08:56 | 09:06 |
Landed
|
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| Jul 28 | BOI | SEA | 08:52 | 09:02 |
Landed
|
Track > |
| Jul 27 | BOI | SEA | 09:59 | 10:08 |
Landed Late
|
Track > |
WestJet Flight WS7521 connects Boise, United States to Seattle, United States, taking off from Boise Airport BOI and landing at Seattle Tacoma International Airport SEA.
How long is the WS7521 flight from Boise to Seattle?
The average flight time from Boise to Seattle is 1 hour and 10 minutes. The flight distance is 641 km / 398 miles and the average flight speed is 551 km/h / 342 mph.
How many WS7521 flights are operated per week?
4 flights per week. The flight WS7521 is operated on Monday, Tuesday, Wednesday and Friday.
What is the On-Time Performance (OTP) of WestJet Flight WS7521 Boise to Seattle?
The Airportia On-Time Performance Rating for WestJet Flight WS7521 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WS7521 flight?
The latest flight took off on Tuesday, September 1st, 2026 with the flight status being En-Route on 09:13.
How else can the flight WS7521 be referenced as?
This WestJet flight can also be referenced as WJA7521, WS 7521, WJA 7521.
How often is flight WS7521 delayed?
On average, 30% of all WS7521 flights are delayed. The average delay is 44 minutes.
Can I get compensation for my delayed or cancelled WS7521 flight or baggage issues?
If your WS7521 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 WS7521 Flight Tracker above for more details.
Other flights departing from Boise BOI: OO3740, ST90, OO3495, OO3415
Other flights arriving at Seattle SEA: AS1898, AS670, DL444, OO3740
All flights connecting Boise BOI to Seattle SEA.