Thursday’s CPI report highlighted the industry’s struggles, as fares fell 5% in June following a 3.6% decrease in May.

Delta CEO Ed Bastian said that the industry’s capacity issues should be resolved toward the end of the summer. However, Delta expects a $100 million hit as travelers avoid Paris due to the Olympics. Other airlines are also likely to face challenges, with United Airlines next to report earnings on Wednesday.

While consumers benefit from lower airfares, all three major companies reporting earnings Thursday morning — PepsiCo, Conagra, and Delta Air Lines — missed Wall Street’s revenue expectations. PepsiCo warned that consumers have cut back on snacking, “specifically” in the U.S.