https://support.coros.com/hc/en-us/community/posts/30813337027860–1-866-738-0729-How-much-notice-to-cancel-a-Singapore-irlines-flight-Instant-Reply-CareBy loma chauhan / September 29, 2024 https://support.coros.com/hc/en-us/community/posts/30813337027860–1-866-738-0729-How-much-notice-to-cancel-a-Singapore-%F0%9D%94%B8irlines-flight-Instant-Reply-Care