What is the name of the airline with the highest number of non-cancelled flights?
names of the airlines refers to Description; highest number of non-cancelled flights refers to MAX(COUNT(CANCELLED = 0));
SELECT T2.Description FROM Airlines AS T1 INNER JOIN `Air Carriers` AS T2 ON T1.OP_CARRIER_AIRLINE_ID = T2.Code WHERE T1.CANCELLED = 0 GROUP BY T2.Description ORDER BY COUNT(T1.CANCELLED) DESC LIMIT 1