Airport layouts vary, but most mid-size and large international airports follow a similar structure once you know what to look for.
Landside vs. airside
"Landside" is everything before security — check-in counters, drop-off curbs, and public areas anyone can enter. "Airside" is past security, restricted to ticketed passengers, and is where gates, duty-free shopping, and most restaurants and lounges live.
Multiple terminals
Larger airports often split terminals by airline alliance, domestic vs. international routes, or simply by capacity. If you're connecting between two flights, check whether they depart from the same terminal — a terminal transfer can require re-clearing security or taking an airside shuttle, and it eats into your connection time.
Parking
Most airports offer short-term parking (pricier, closest to the terminal) and long-term parking (cheaper, usually shuttle-served). If you're picking someone up, check whether there's a free short-wait lot — many airports now have one specifically to avoid curbside congestion.
Security
- •Separate carry-on liquids into the required bag size and limit if your region enforces one.
- •Laptops and large electronics almost always need to come out of your bag.
- •Wear shoes you can remove quickly, and keep pockets empty before you reach the scanner.
Shuttles and people movers
Between terminals, or from remote parking to the terminal, expect either a shuttle bus or an automated train. Signage is usually color- or number-coded — follow it rather than guessing, since walking distances at large airports can be far longer than they look on a map.