Airlines are responsible for your luggage.Your airline pays a handling company to handle passengers and luggage. If your baggage is missing, you should contact the handling company that handled your flight.
Travel restrictions for Denmark It is obligatory to wear a face mask in Copenhagen Airport as well as onboard the plane. When travelling to Denmark, different requirements apply depending on your country of residence and departure, as well as whether you have been vaccinated / previously infected. You should also pay attention to current rules when traveling out of Denmark. See what applies to your trip here: Travelling to Denmark as a tourist (coronasmitte.dk)