If you missed a flight with KLM airline, you'll be rebooked on the next available flight, if the passengers miss their flight due to a valid reason. Moreover, go through the [URL=https://www.traveltipspot.com/blog/what-happens-if-i-miss-a-klm-flight/]KLM missed flight[/URL] policy or connect by dialling KLM official number to speak with someone that can help you with more information.