| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 18 | BOI | SEA | 15:41 | 15:50 |
En-Route
|
Track > |
| Jul 17 | BOI | SEA | 15:38 | 15:42 |
Landed
|
Track > |
| Jul 16 | BOI | SEA | 16:17 | 16:28 |
Landed Late
|
Track > |
| Jul 15 | BOI | SEA | 15:43 | 16:01 |
Landed
|
Track > |
| Jul 14 | BOI | SEA | 15:36 | 15:37 |
Landed
|
Track > |
| Jul 13 | BOI | SEA | 15:51 | 15:54 |
Landed
|
Track > |
| Jul 12 | BOI | SEA | 15:50 | 15:51 |
Landed
|
Track > |
| Jul 11 | BOI | SEA | 15:31 | 15:41 |
Landed
|
Track > |
| Jul 10 | BOI | SEA | 15:41 | 15:48 |
Landed
|
Track > |
| Jul 09 | BOI | SEA | 15:39 | 15:47 |
Landed
|
Track > |
KLM Flight KL5643 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 KL5643 flight from Boise to Seattle?
The average flight time from Boise to Seattle is 1 hour and 7 minutes. The flight distance is 641 km / 398 miles and the average flight speed is 576 km/h / 358 mph.
How many KL5643 flights are operated per week?
7 flights per week. The flight KL5643 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of KLM Flight KL5643 Boise to Seattle?
The Airportia On-Time Performance Rating for KLM Flight KL5643 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest KL5643 flight?
The latest flight took off on Saturday, July 18th, 2026 with the flight status being En-Route on 15:50.
How else can the flight KL5643 be referenced as?
This KLM flight can also be referenced as KLM5643, KL 5643, KLM 5643.
How often is flight KL5643 delayed?
On average, 10% of all KL5643 flights are delayed. The average delay is 20 minutes.
Can I get compensation for my delayed or cancelled KL5643 flight or baggage issues?
If your KL5643 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 KL5643 Flight Tracker above for more details.
Other flights departing from Boise BOI: DL3958, AA1531, DL3701, WN700
Other flights arriving at Seattle SEA: UA1660, DL2905, WN4920, DL3958
All flights connecting Boise BOI to Seattle SEA.