Self-service flight delay compensation app airFair claimed £1 million for its customers in its first operating year.
It has had more than 4,000 app downloads since launching in October 2016.
AirFair says the likelihood of flight delays is on the rise and airlines are rejecting a higher number of direct claims “due to large volumes”.
It has processed claims for 20,000 passengers.
Will Smith, head of airFair, said: “We are the only UK-based company in our industry offering consumers a self-serving app which we see as the ultimate travel companion in today’s modern world of busy airports and flight delays.
“We are there to help immediately when passengers find themselves in the unfortunate circumstances of a flight delay. It’s a huge milestone to have surpassed £1M in compensation, yet there are still so many people out there not claiming what’s rightfully theirs when they are delayed.
“We are nearing the launch of version two of the app before the end of the year which will have some exciting enhancements.”