Airline stocks are always in focus as summer travel season picks up. Even more so after the International Air Transport Association (IATA) now expects the industry to generate a net profit of $30.5 billion in 2024, compared with $25.7 billion estimated in December last year. With these bullish projections in mind, here are three airline stocks investors could place bets on.Travel staple Delta Air Lines, Inc. (NYSE:DAL) stock is down 2.2% to trade at $49.65 at last glance, but relies on support from its 60-d ...