CNA pioneered the field of operations research and analysis more than 70 years ago and, today, applies its efforts to a broad range of national security, defense, and public interest issues including education, homeland security, and air traffic management.NA is a nonprofit research organization that operates the Center for Naval Analyses and the Institute for Public Research.
Refundable tickets can be returned for a refund to your credit or debit card or allow you to make changes to your travel plans. If Make My Trip Customer Service has processed a refund for you, it will take, on average, three to four billing cycles to process (about 90-120 days). Non-refundable tickets cannot be returned for a refund. However, if you cannot use your ticket, you may be able to apply its value toward a future flight within specified time frame as per the rules of the airlines. The airline may charge additional fees for changes made to a non-refundable ticket.
There's no Delta-wide policy on what happens next, this will depend entirely on the small print in your fare rules. Broadly speaking, assuming you've got a non-refundable fare: Domestic flights: You'll get credit worth the value of your ticket, minus a change fee (typically $200). So if your fare was under $200, you lose it all.