When flying from Nashville to Laurel, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
BNA stands for Nashville Intl Airport, while PIB stands for Laurel Hattiesburg-PineBelt Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.