Just before this BBC podcast gets underway, here's something you may not know.

My name's Linda Davies and I Commission Podcasts for BBC Sounds.

As you'd expect, at the BBC we make podcasts of the very highest quality featuring the most knowledgeable experts and genuinely engaging voices.

What you may not know is that the BBC makes podcasts about all kinds of things like pop stars,

poltergeist, cricket, and conspiracy theories and that's just a few examples.

If you'd like to discover something a little bit unexpected, find your next podcast over at BBC Sounds.

This is the short edition of More or Less, first broadcast on the BBC World Service.

Hello and welcome to More or Less on the BBC World Service. Hello and welcome to more or less on the BBC World Service.

I'm Tim Harford.

This week we test the veracity of this claim.

Welcome, you've arrived in yet another on-time flights.

Last year, over 90% of Ryanair flights landed on time,

beating every other European airline.

Anyone who flies on Ryanair, a near ubiquitous no-frills airline operating all over Europe,

will have heard this claim because they've been repeating it for years.

Charlotte McDonald's here.

Charlotte, it seems a bit odd that Ryanair keep using this statistic.

And surely it's only a match of time before they start charging us for listening to it.

Now we only have Ryanair's word that this claim is true.

The UK Civil Aviation Authority collects data on

flight arriving and departing from 10 UK airports. Based on that data a

website called Flight on time dot info worked out that Ryanair is falling to some way short of 90%,

...