When flying from Bali to Malawi, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Denpasar Bali Ngurah Rai Airport to Lilongwe Intl Airport flight would often be abbreviated as a DPS to LLW flight. Ready for more IATA code knowledge? These are related airports for your current travel destination: Blantyre Chileka Airport (BLZ), Chelinda Airport (CEH).