Singapore Airlines is a world famous airline. Known for setting the industry standard for premium air travel with exceptional luxury service. However, flight schedules may be unpredictable, resulting in flight cancellations. Knowing how to cancel a flight is important, especially with a trusted airline like Singapore Airlines. Consider the pros and cons of delaying your trip. It is important to understand the implementation process. Airlines offer different cancellation policies and fares based on Singapore Air have 24 hour cancellation factors such as cancellation time and departure date.