It does not mean that all services are back to normal. A backlog of stranded passengers has to be worked away, and not all airplanes are currently on the right location.
Also, not all airports outside the Netherlands have yet been opened. Poland and parts of Norway are still closed.

It is expected that about half of all flights to and from Amsterdam can be carried out today.
Experts expect that it may take a few days before all problems are over.

Passengers are advised to first check with their airline whether a flight is really going, before going to Schiphol Airport. There can still be cancellations or delays.

The Icelandic volcano is erupting lava now, and less ash and steam.