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Explore AMS Guide
KLM Royal Dutch Airlines
KL643
On Time
25 Feb 2026
AMS
Amsterdam
Amsterdam Airport Schiphol
Terminal 2
Scheduled
17:05
JFK
New York
John F Kennedy International Airport
Terminal 4
Scheduled
19:20
Your Journey Timeline
Based on KLM Royal Dutch Airlines check-in policy
Online check-in opens
Bag drop deadline
Boarding
Gate closes
Departure
Arrival
Weather Conditions
AMS — Amsterdam
Departure
8°C
BCFG BR
- Wind
- SE 9kt
- Visibility
- 2.49 sm
- Clouds
- FEW 200ft
JFK — New York
Arrival
-2°C
- Wind
- SSW 13kt
- Visibility
- 10+ sm
- Clouds
- SCT 17,000ft, BKN 25,000ft
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Before Your Flight
Services at Amsterdam Airport Schiphol
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Explore AMS GuideAfter You Land
Getting started in New York
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New York Arrival GuideFlight Information
Aircraft & Airline
- Airline
- KLM Royal Dutch Airlines SkyTeam
Route Details
- Flight Number
- KL643
- Duration
- 8h 15m
- Distance
- 5,848 km (3,157 nm)
- From
- Amsterdam Airport Schiphol (AMS)
- To
- John F Kennedy International Airport (JFK)
- Departure Terminal
- 2
- Arrival Terminal
- 4