Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE airport (id VARCHAR, name VARCHAR, IATA VARCHAR)
TABLE: CREATE TABLE flight (id VARCHAR, airport_id VARCHAR)

### Question ###
What is the id, name and IATA code of the airport that had most number of flights?

### Accurate SQL ###

SELECT T1.id, T1.name, T1.IATA FROM airport AS T1 JOIN flight AS T2 ON T1.id = T2.airport_id GROUP BY T2.id ORDER BY COUNT(*) DESC LIMIT 1