The Curious Case of Airport Codes: Decoding the Delightful Quirks of Our Travel Designators
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- November 01, 2025
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You know them, don’t you? Those three letters plastered on your boarding pass, flashing on departure screens, or perhaps etched onto a luggage tag from some faraway trip. LAX, JFK, ORD. They’re ubiquitous, an essential part of the modern travel tapestry. But have you ever paused, really paused, to wonder where they come from? How, precisely, did we land on these seemingly arbitrary combinations?
Well, honestly, it’s quite a story — a charming blend of practicality, historical happenstance, and, dare I say, a touch of pure genius. In the early days of aviation, things were, let’s be frank, a bit simpler. Airfields often adopted the two-letter codes already in use by the National Weather Service, which usually corresponded to the city itself. So, Los Angeles might have been LA, and Boston, well, BOS.
But as air travel truly took off – pun absolutely intended – and the number of airports multiplied, that two-letter system quickly became, shall we say, insufficient. There simply weren’t enough unique combinations to go around. Something had to give. And thus, the International Air Transport Association (IATA) stepped in, ushering in the era of the three-letter code. A necessary evolution, yes, but one that led to some rather interesting, even delightful, puzzles.
Take Los Angeles, for instance. It was LA. To expand it to three letters, a pragmatic decision was made: simply add an 'X'. And so, LAX was born. Straightforward enough, you could say. But then there’s Chicago’s O’Hare International Airport, better known as ORD. Why ORD? It’s not a direct abbreviation of O’Hare, is it? The truth is, O’Hare wasn’t always O’Hare. For a significant period, it was known as Orchard Field. Its original code? OR. When the three-letter mandate came along, a simple ‘D’ was appended to the end. And there you have it: ORD, a nod to a bygone name, preserved forever in airport nomenclature. It’s a bit like a historical whisper, isn’t it?
And what about Newark, New Jersey? It began with the two-letter designation of NW. But when the shift to three letters occurred, to avoid confusion with Northwestern Airlines (NW), the code was cleverly repurposed to EWR. The 'E' from Newark, the 'W' from the original code, and an 'R' tacked on for good measure. Creative problem-solving at its finest, really. Or consider OGG, the code for Kahului Airport in Maui, Hawaii. Not exactly intuitive, is it? This one, in truth, is a wonderful tribute to Bertram J. Hogg, a pioneer in Hawaiian aviation and the chief engineer for Hawaiian Airlines. A small, yet significant, legacy.
These codes, you see, aren’t just random alphanumeric strings. Each one, in its own way, carries a tiny sliver of history, a snippet of local lore, or a testament to the sheer ingenuity of early aviation pioneers. From former weather station identifiers to the names of forgotten fields, they tell a story, if only you know where to look. So, the next time you glance at your boarding pass, remember that those three little letters are more than just a destination; they’re a quiet echo of the past, connecting us, in a very human way, to the vast, sprawling narrative of air travel.
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