KL 8521 Tromso to Oslo Flight Status

KLM Flight KL8521 from Tromso Airport TOS to Oslo Gardermoen Airport OSL is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on May 29th, 2026.
Check the table below for KL8521's most recent flight history:

KL 8521 Flight Status & Schedule

Date Departure Arrival Status
May 29 15:09 16:48
Landed
Track >
May 22 15:22 16:58
Landed
Track >
May 15 15:30 17:12
Landed
Track >
Apr 24 16:29 18:11
Delayed
Track >

KLM KL 8521 Tromso to Oslo Flight Information

KLM Flight KL8521 connects Tromso, Norway to Oslo, Norway, taking off from Tromso Airport TOS and landing at Oslo Gardermoen Airport OSL.

How long is the KL8521 flight from Tromso to Oslo?

The average flight time from Tromso to Oslo is 1 hour and 39 minutes. The flight distance is 1115 km / 693 miles and the average flight speed is 671 km/h / 417 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 Tromso to Oslo?

The Airportia On-Time Performance Rating for KLM Flight KL8521 is 4.7/5 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, May 29th, 2026 with the flight status being Landed on 16:48.

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, 50% of all KL8521 flights are delayed. The average delay is 36 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.

See our KL8521 Flight Tracker above for more details.

KL8521 and Tromso TOS to Oslo OSL Flights

Other flights departing from Tromso TOS: DY381, SK4425, LH879, SK1491

Other flights arriving at Oslo OSL: SK4425, SK491, SK216, DY763

All flights connecting Tromso TOS to Oslo OSL.

KL8521 KLM Flight: Tromso to Oslo Route Map

KL8521 KLM Flight Map: Tromso to Oslo
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.