Curious about the design behind jetblue.com? SiteFontCheck scanned their live CSS architecture and identified 1 unique font family. The website relies heavily on <jbklarheit, jbklarheit fallback, ui-sans-serif, system-ui, sans-serif, apple color emoji, segoe ui emoji, segoe ui symbol, noto color emoji> across its main text elements. Below is the precise map of font sizes, weights, and text elements used across their site.