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KL8420 Flight Status KLM: Stockholm to Turku (KLM8420)

KL 8420 Stockholm to Turku Flight Status

KLM Flight KL8420 from Stockholm Arlanda Airport ARN to Turku Airport TKU is not scheduled for today June 5th, 2026.
The last time the flight was scheduled was on January 23rd, 2026.
Check the table below for KL8420's most recent flight history:

KL 8420 Flight Status & Schedule

Date Departure Arrival Status
Jan 23 18:55 20:34
Landed
 Track >
Jan 16 18:43 20:18
Landed
 Track >
Jan 09 18:38 20:17
Landed
 Track >
Jan 02 19:04 20:44
Landed
 Track >
Dec 26 18:38 20:16
Landed
 Track >
< All ARN Departures All TKU Arrivals >

KLM KL 8420 Stockholm to Turku Flight Information

KLM Flight KL8420 connects Stockholm, Sweden to Turku, Finland, taking off from Stockholm Arlanda Airport ARN and landing at Turku Airport TKU.

How long is the KL8420 flight from Stockholm to Turku?

The average flight time from Stockholm to Turku is 38 minutes. The flight distance is 259 km / 161 miles and the average flight speed is 408 km/h / 254 mph.

What is the On-Time Performance (OTP) of KLM Flight KL8420 Stockholm to Turku?

The Airportia On-Time Performance Rating for KLM Flight KL8420 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight KL8420 arriving at?

Flight KL8420 arrives at Turku Airport (TKU) Terminal 1.

When was the latest KL8420 flight?

The latest flight took off on Friday, January 23rd, 2026 with the flight status being Landed on 20:34.

How else can the flight KL8420 be referenced as?

This KLM flight can also be referenced as KLM8420, KL 8420, KLM 8420.

How often is flight KL8420 delayed?

On average, 40% of all KL8420 flights are delayed. The average delay is 9 minutes.

Can I get compensation for my delayed or cancelled KL8420 flight or baggage issues?

If your KL8420 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 KL8420 Flight Tracker above for more details.

KL8420 and Stockholm ARN to Turku TKU Flights

Other flights departing from Stockholm ARN: SK4236, DC4236, SE212, FB383

Other flights arriving at Turku TKU: SK4236, DC4236

All flights connecting Stockholm ARN to Turku TKU.

KL8420 KLM Flight: Stockholm to Turku Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
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See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.