KL6437 Flight Status KLM: Portland to Seattle (KLM6437)

How long is the KL6437 flight from Portland to Seattle?

The average flight time from Portland to Seattle is 33 minutes. The flight distance is 208 km / 129 miles and the average flight speed is 380 km/h / 236 mph.

What is the On-Time Performance (OTP) of KLM Flight KL6437 Portland to Seattle?

The Airportia On-Time Performance Rating for KLM Flight KL6437 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight KL6437 arriving at?

Flight KL6437 arrives at Seattle Tacoma International Airport (SEA) Terminal 2.

When was the latest KL6437 flight?

The latest flight took off on Monday, January 5th, 2026 with the flight status being Landed on 18:17.

How else can the flight KL6437 be referenced as?

This KLM flight can also be referenced as KLM6437, KL 6437, KLM 6437.

How often is flight KL6437 delayed?

On average, 0% of all KL6437 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled KL6437 flight or baggage issues?

If your KL6437 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.