[Hint] Cross-Country Flight – 29 May 2023

Last week’s Cross-Country Flight is still going, if you haven’t had a chance to solve it yet. Check out the hint below for an extra boost.

The new puzzle for this week is This & That. Good things come in twos.

Each of the three-letter airport codes can be transformed into the name of a city. But how can you get from each one to the next?