Aviation Ever noticed 'VT' on your flight? Here's what it stands for Updated : November 30, 2018 02:52 PM IST All the domestic airlines, from IndiGo to Jet Airways have the prefix, which is followed by unique alphabets. The code is generally seen just before the rear exit door and above the windows. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.