Air braking takes more time than hydraulic braking as air _________.

When you press the brake pedal, hydraulic brakes instantly apply the brakes since hydraulic fluid is constantly present in the system. Pressurized air must pass through a complicated network of lines, valves, and other parts in order to reach and fill the brake chambers before air brakes may start to slow your car down. This "brake lag" may continue for up to half a second.