KL8521 Flight Status KLM: Longyearbyen to Tromso (KLM8521)

How long is the KL8521 flight from Longyearbyen to Tromso?

The average flight time from Longyearbyen to Tromso is 1 hour and 23 minutes. The flight distance is 958 km / 595 miles and the average flight speed is 692 km/h / 430 mph.

How many KL8521 flights are operated per week?

1 flight per week. The flight KL8521 is operated on Friday.

What is the On-Time Performance (OTP) of KLM Flight KL8521 Longyearbyen to Tromso?

The Airportia On-Time Performance Rating for KLM Flight KL8521 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest KL8521 flight?

The latest flight took off on Friday, September 4th, 2026 with the flight status being En-Route on 14:43.

How else can the flight KL8521 be referenced as?

This KLM flight can also be referenced as KLM8521, KL 8521, KLM 8521.

How often is flight KL8521 delayed?

On average, 37% of all KL8521 flights are delayed. The average delay is 12 minutes.

Can I get compensation for my delayed or cancelled KL8521 flight or baggage issues?

If your KL8521 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.