Ah, my bad. I thought the post was a link to the other CGP Grey video about airports[1] because the video about airport codes does talk about airline codes (and

Ah, my bad. I thought the post was a link to the other CGP Grey video about airports[1] because the video about airport codes does talk about airline codes (and GP implied it doesn't). I really shouldn't comment late at night... [1]: https://youtu.be/qD6bPNZRRbQ https://youtu.be/qD6bPNZRRbQ