Plain English Meaning
A suggested path drawn on a chart that shows VFR pilots a smart way to fly around or through the busy airspace surrounding a major airport, without needing permission from air traffic control to use it.
Full Definition
A VFR flyway is a general flight path, depicted on the back of certain VFR Terminal Area Charts, that pilots flying under visual flight rules can use to bypass busy Class B airspace. Flyways are not regulatory routes and do not require a clearance or radio contact, but they show recommended courses, altitudes, and visual checkpoints that help VFR transit safely while staying of, or efficiently through, the .