With summer travel around the corner, many are busy gearing up for flights — not only by booking reservations, but mentally preparing for hours spent huddled with seats and tray tables in their upright and locked positions. However, while some carriers continue to cut space and service, several have gone a different route. Committed to luxury for the long haul, the following airlines have taken off in popularity, thanks in part to cabins that make conventional first-class compartments seem commonplace and that offer a passenger experience that rivals five-star resorts. Here is how we rank the top 10 first-class airline cabins.