https://www.devex.com/people/what-is-the-cancellation-policy-for-united-airlines-1964349 https://www.devex.com/people/what-is-the-cancellation-policy-for-united-airlines-policy-rules-1964364 https://www.devex.com/people/what-is-the-cancellation-policy-for-united-airlines-cancellation-rules-1964373