Nivedita Bhasin became the world’s youngest commercial airline captain in 1989, but the Indian pilot still recalls her early years when other crew would urge her to rush into the cockpit so passengers wouldn’t get nervous at the sight of a woman flying their plane. Three decades after Bhasin’s career began, female pilots are no longer a rarity in India, making the country a success story when it comes to diversity in the airline industry. India has the highest percentage of female pilots globally, the International Society of Women Airline Pilots estimates, with about 12.4% of all pilots women, compared...