In early 2026, "free change" for a flight generally means that the airline will not charge a "change fee"—the $100 to $200 penalty once common for modifying a booking. However, it does not mean the new flight is free. You are still responsible for paying the "fare difference" if the new flight is more expensive than the original one. This policy was widely adopted by major carriers like Delta, American, and United for standard economy and premium tickets, but it typically does not apply to "Basic Economy" tickets, which remain non-changeable and non-refundable. Under the latest DGCA rules in 2026, many airlines also offer a 24-to-48 hour "look-in" period where you can cancel or change any ticket for a full refund without penalty. Always check the "Fare Rules" during booking to confirm whether your specific ticket class qualifies for "No Change Fees," as this is the industry's most common way of offering "free" changes today.