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The biggest threat currently engulfing the aviation industry is undoubtedly the surge in fuel costs. Fuel expenses, which account for about one-third of aircraft operating costs, are directly linked to rising international oil prices. As oil prices per barrel have skyrocketed uncontrollably in the wake of the Middle East conflict, they are painting the financial statements of airlines in red. In fact, the International Air Transport Association (IATA) has significantly lowered its net profit forecast for the global aviation industry to half of its previous projection, warning that the burden of fuel costs will consume a significant portion of operating expenses. While airlines are responding by imposing fuel surcharges on tickets, there is a limit to how much of the rapid cost increase can be passed on to fares, leading to a structural solidification of losses.

Beyond oil prices, high exchange rates have become a "more fearsome presence than fuel costs" for airlines. Since most core expenses that airlines must pay—such as aircraft lease payments, maintenance costs, and fuel purchase payments—are settled in dollars, a rise in the exchange rate leads directly to massive foreign currency translation losses. Low-cost carriers (LCCs) with weak financial structures are particularly vulnerable, as they lack sufficient hedging tools to mitigate the impact of exchange rate fluctuations, making the blow even more fatal. The depreciation of the Korean Won creates a double whammy by dampening overseas travel demand, which in turn leads to a vicious cycle of falling load factors and deteriorating profitability.

The gap in survival between full-service carriers (FSCs) and low-cost carriers (LCCs) is also becoming more pronounced. Large carriers like Korean Air possess a reliable revenue source in their cargo business and are equipped with defensive mechanisms, such as relatively solid capital and fuel hedging contracts, to offset external variables to some extent. Conversely, LCCs are facing liquidity crises and have no choice but to declare emergency management measures, such as unpaid leave or the postponement of new hiring. Some experts warn that restructuring may accelerate, with small and medium-sized airlines whose financial capacity has reached its limit being forced out of the market or absorbed by larger carriers, predicting that the "rich-get-richer, poor-get-poorer" phenomenon within the industry will further intensify.

Even amidst this crisis, the aviation industry is moving busily to find new opportunities. In particular, the expansion of traffic rights on Korea-China routes is considered a key breakthrough for improving profitability. The Chinese market, being a short-haul route, is advantageous for increasing aircraft turnover rates, making it an ideal, lucrative route for LCCs. Diversifying supply from the concentrated Japanese routes and absorbing the increased demand for travel to China due to visa-free policies will be a significant help in defending second-half performance. This can be seen as a move reflecting the survival strategies of airlines to break away from high-cost structures and maximize profit efficiency, going beyond mere competition for route acquisition.

Meanwhile, the integration process of Korean Air and Asiana Airlines is becoming a massive turning point for improving the constitution of the aviation industry. Both companies are accelerating the unification of safety operation systems and service standardization, concretizing the blueprint to leap beyond a simple merger into a global hub airline. While issues such as the reorganization of mileage programs and the integration of organizational cultures remain to be solved, the attempt to increase cost efficiency through economies of scale will be a key driving force for industry restructuring. The launch of this integrated airline is expected to serve as an important benchmark in the process of the domestic aviation market being reorganized into a few large hub carriers and efficiency-focused LCCs.