If you are flying today you can check out the status of your flight to see the boarding and departure time at Palma airport.
Go to the airport authority website: https://www.aena.es/en/palma-de-mallorca.html and see yourself.
Also if you want the latest bus services and their departure times at Palma´s main station in the Plaza España go to https://www.tib.org/en/xarxa-de-transports/estacio-intermodal-palma.