Qatar Airways, the Gulf state's rapidly growing flag carrier, made a small loss in the last financial year which ended in March because of high oil prices.
Qatar Airways, which is not listed on a stock market, does not regularly disclose its earnings.
The airline carried 14.3 million passengers last financial year, a number which is expected to increase to 17 million in the current year.
Qatar Airways' CEO, Akbar Al Baker, said the opening of the first phase of Qatar's planned $11bn new airport would be delayed until June next year after a contractor was dropped from the project. The airport was originally due to open this December.
Baker said that as a customer, he was in favour of a potential $45bn merger between Europe's EADS and BAE Systems to form the world's biggest aerospace and defence company. The firms revealed last week that they were in talks on a merger.