Here is the full list of all 26 SimAirport achievements.
Have one day of perfect operations.
No passenger missed their flight in a 24-hour period where at least 200 passengers were boarded.
Purchase runway lights for any runway.
Completed the Food and Shopping Tutorial.
Completed the Scheduling Workers Tutorial.
Completed the PA Speakers and Fuel Tutorial.
Completed the Luggage Tutorial.
Completed the Expansion Tutorial.
Completed the Basic Tutorial
Started one of the tutorials.
Total Flights Landed at all of your airports.
Earned $10,000,000!
Tons of passengers in the airport.
Make $1,250,000 in profit selling fuel.
Unlock all technology in the research tree.
Have 5,000 tiles of road.
Have an airplane land in extreme (20 knots or higher) weather.
Board 2,500 passengers in a 24-hour period.
Board 6,000 passengers in a 24-hour period.
Board 8,000 passengers in a 24-hour period.
Board 10,000 passengers in a 24-hour period.
Sell your airport for a minimum of $25,000,000.
Have a passenger-environment rating of 85% in an airport serving at least 200 passengers.
Win a scenario.
Lose a scenario.
Have thirty consecutive days of perfect operations.