Aviation Guides
In-depth explanations of airport codes, airline systems, and air travel fundamentals.
These guides cover the systems behind air travel that most passengers never think about: how airport codes are assigned and what they mean, why airlines use different codes than airports, how to decode a boarding pass, what goes into a flight plan, and how aviation infrastructure is organized around the world. Whether you're a frequent flyer looking to understand the codes on your ticket or an aviation enthusiast exploring the structure of global air travel, these articles are written to be practical and clear.
May 28, 2026
How Connecting Flights Work: Minimum Connection Times Explained
Airlines and airports set minimum connection times that define how short a layover can be and still legally allow a checked bag to make the transfer. Here is how those times are determined.
May 18, 2026
Airport Codes That Don't Match the City: The Strangest Mismatches
Some of the most-traveled airports in the world have codes that seem to have nothing to do with the city they serve. Chicago is ORD, New Orleans is MSY, and London has five codes. Here's why.
May 11, 2026
Island Airports: Engineering Aviation on Limited Land
Building an airport on an island presents unique engineering challenges. From Madeira's runway on stilts to Hong Kong's man-made island, some of aviation's most remarkable infrastructure is at island airports.
May 5, 2026
Time Zones and Airports: Why Your Layover Is Longer Than You Think
Airport time zones affect everything from connection timing to duty-free shopping hours. Here is how to think about time zone transitions when planning international connections.
Apr 27, 2026
How Airport Runways Are Named: The Heading System Explained
Runway numbers come from their magnetic heading, rounded to the nearest ten degrees. Runway 27 points west. Runway 09 points east. Here is the full system and how parallel runways are named.
Apr 22, 2026
Airports of Alaska: Aviation Infrastructure in the Last Frontier
Alaska has more pilots per capita and more airports per square mile than any other US state. With thousands of remote communities reachable only by air, aviation is essential infrastructure here.
Apr 12, 2026
Understanding Airport Elevation and Why It Matters for Flying
High-altitude airports require more runway, more fuel, and different procedures. El Alto in Bolivia, at nearly 14,000 feet, is the world's highest commercial airport. Here is how elevation affects flight.
Mar 28, 2026
Regional Airports: The Connectors of the Aviation Network
Regional airports handle millions of passengers on short-haul domestic routes, feeding traffic to major hubs. Without them, large parts of the US, Canada, and Australia would be effectively unreachable by air.
Mar 22, 2026
How Airport Codes Are Used in Flight Planning
When pilots file a flight plan, they use ICAO codes, not IATA codes. Here is what a flight plan looks like and how airport codes fit into the larger system of aviation identifiers.
Mar 15, 2026
The World's Busiest Airports by Passenger Volume
Hartsfield-Jackson Atlanta held the top spot for decades, but Dubai and others are now challenging for the title. Here is how passenger traffic at the world's biggest airports has shifted.
Mar 9, 2026
Heliports: The Other Kind of Airport
Heliports are designated landing areas for helicopters and rotorcraft. From hospital rooftops to offshore oil platforms, these facilities serve critical roles that conventional airports cannot.
Feb 28, 2026
How Airlines Get Their Codes: IATA Airline Designators Explained
Every airline has a two-letter IATA designator that appears on flight numbers, tickets, and booking systems. Here is how they are assigned and what happens when airlines merge or rebrand.