NetherlandsSkyTeamFlying Blue (shared with Air France)International Airlines Serving the US
KLM Royal Dutch Airlines Overview & Policy Summary
KLM operates a single powerful hub at Amsterdam Schiphol, an airport designed around fast connections with everything under one roof — a meaningful practical advantage over Frankfurt, Paris or Heathrow when you have a tight connection. It shares a transatlantic joint venture with Delta, Air France and Virgin Atlantic.
Key Travel Facts & Insights
- Carry-on: One cabin bag plus one accessory, combined 12 kg (26 lbs) in Economy and 18 kg (39 lbs) in Business..
- First checked bag: Included on Standard and above transatlantic; charged on Light..
- Changes: Light is non-changeable.
- Check-in: 30 hours before departure..
KLM help topics
Detailed answers on the ten things travellers ask most after booking.
KLM at a glance
Baggage
One cabin bag plus one accessory, combined 12 kg (26 lbs) in Economy and 18 kg (39 lbs) in Business.
Full baggage rulesChanges
Light is non-changeable. Standard and Flex change for a fee or free respectively, plus fare difference.
How to change a flightCheck-in
30 hours before departure. Not applicable — KLM operates no domestic Dutch network of note.
Check-in and boarding cutoffsFlying Blue (shared with Air France)
Miles expire after 24 months of inactivity.
Loyalty programme guideKLM fare types
| Fare | Includes | Watch out for |
|---|---|---|
| Light | Cabin bag only. | No checked bag, no changes. |
| Standard | One checked bag and seat selection from 30 hours out. | Changes carry a fee plus fare difference. |
| World Business Class | Lie-flat seat, two checked bags, Crown Lounge access and Delft Blue house gift. | Not all aircraft have direct aisle access from every seat. |
Hubs
- Amsterdam Schiphol (AMS)
Boeing 777 and 787 widebodies on long-haul with Embraer and Boeing 737 aircraft across Europe. KLM is the oldest airline still operating under its original name.
Popular routes
- New York (JFK) → Amsterdam (AMS)
- Atlanta (ATL) → Amsterdam (AMS)
- San Francisco (SFO) → Amsterdam (AMS)
- Chicago (ORD) → Amsterdam (AMS)
KLM frequently asked questions
Is Amsterdam a good airport to connect through?
Yes — Schiphol is a single terminal building with all gates under one roof, so connections are quicker than at Frankfurt, Paris CDG or Heathrow. The main delay risk is passport control for non-Schengen arrivals.
What is the fastest way to reach KLM customer service?
Social messaging. KLM pioneered airline support over WhatsApp, Messenger and X, publishes a live response time, and those channels consistently beat the phone queue.
Compare with other international airlines serving the us
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