There has been a great increase in the number of flight delay over the previous months. There have been almost 600,000 flights which are delayed per month and more than 40,000 that are cancelled. This means, more than 33% of the flights are either delayed or cancelled.

https://www.claimflights.com

helps passenger know about their rights and claim compensation in case of flight delay and flight cancellation. (Thanks Harneet!)