This is the most famous trick in the mobile simulation genre. It works because the game calculates fuel refills and waiting times based on your phone's internal clock.
The next morning, Captain Elias Voss filed a real flight plan. He calculated fuel with a pencil. He checked the weather—a real blizzard, no cheat codes around it—and filed for a delay. Airline Commander Cheat Codes
This is the most dangerous. A site will offer a “cheat engine” or “modded APK.” When you download it: This is the most famous trick in the mobile simulation genre