How to Change a Flight on a Delta Air Lines Ticket Changing a flight on a Delta Air Lines ticket involves understanding the airline's policies, procedures, and potential fees associated with modifications. Here's a comprehensive guide on how to change your flight on a Delta Air Lines ticket: 1. Understand Delta Air Lines' Flight Change Policy: Before proceeding with any changes, it's crucial to familiarize yourself with Delta Air Lines' flight change policy. This includes understanding the conditions, fees, and eligibility criteria for making modifications to your booking. 2. Eligibility for Flight Changes: