Key Takeaways One way or another, Delta President Glen Hauenstein said, the prices of main cabin airfare are likely to rise because their low profit margins are putting pressure on carriers.Delta reported that revenue from "premium" tickets surpassed revenue from basic tickets in the fourth quarter. Basic airfares may not stay at current prices for long. The price of domestic, main cabin seats will likely increase as air carriers adjust to remain viable, Delta Air Line (DAL) President Glen Hauenstein s ...