In the Onboard Wi‑Fi segmentation by application, distinct transport modes dictate deployment intensity and revenue potential. Commercial Aviation remains the largest application, driven by airline‑wide passenger Wi‑Fi mandates and ancillary revenue models, thus generating the majority of market earnings. Business Aviation leverages high‑value, low‑volume contracts, where premium connectivity is bundled with charter services, contributing a modest but stable share. Private Jets demand bespoke, low‑latency solutions for executive travelers, adding a niche but high‑margin component. Maritime vessels, including cruise ships and cargo carriers, require robust, satellite‑centric networks to maintain connectivity over open seas, representing a growing segment as passenger expectations rise. Rail operators adopt cellular‑based Wi‑Fi for commuter and intercity services, a segment constrained by tunnel coverage but expanding in dense urban corridors. Each application’s share reflects its operational scale, regulatory pressures, and willingness to invest in connectivity, together shaping the overall market topology.