With the growth of just-in-time delivery and e-commerce, fast and efficient cargo delivery remains in high demand around the globe. Not so long ago, the air cargo mode was employed mostly to move higher valued goods. Open international trade, combined with scale/scope economies in air transport and the use of modern commercial jets means that now some formerly “bulky” commodities are moved by air, a modal choice that would have been unthinkable a generation ago. However, as it grows the industry is not without its controversies or detractors. Employing various empirical techniques and...