When flying from Sri Lanka to Andaman and Nicobar Islands, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
CMB and IXZ are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. CMB to IXZ refers to a flight route from Colombo Bandaranaike Intl Airport to Port Blair Airport. Trincomalee China Bay Airport (TRR), Hatton Castlereigh Reservoir Airport (NUF), Colombo Diyawanna Oya Seaplane Base Airport (DWO), Hambantota Mattala Rajapaksa Int'l Airport (HRI), Bentota River Airport (BJT) are other airports near this flight route and their unique identifiers/IATA codes.