What is the id, name and IATA code of the airport that had most number of flights?
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
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
[{'id': 1, 'name': 'Akureyri Airport', 'IATA': 'AEY'}]