VT-IME Afternoon pushback at Chennai International Airport as 6E2316 bound for Delhi. This aircraft was newly delivered on 7 Dec 2021 to IndiGo. Built as an A321-251NX, it underwent a modification to an A321-252NX with LEAP-1A30 engines. Successor to the CFM56-5 series, these engines offer a stated 15% improvement in fuel efficiency. (mehr von VT-IME)