What is the cancellation policy for United Airlines? For non-refundable tickets, which are the most commonly purchased tickets, United allows cancellations 1-833 United (884-3315), but passengers will typically be issued a travel credit instead of a cash refund. This credit can be applied to future travel with United 1-833 United (884-3315). https://www.devex.com/people/what-is-the-cancellation-policy-for-united-airlines-2118046