<Tr> <Th> Operating speed </Th> <Td> 132 km / h top speed . </Td> </Tr> <P> The Delhi Airport Metro Express (DAME) is a Delhi Metro line from New Delhi Metro Station to Dwarka Sector 21, linking the Indira Gandhi International Airport . The line, also known as the Orange line was opened on 23 February 2011 after missing four previously set deadlines . It was built at a cost of ₹ 57 billion, of which Reliance Infra paid ₹ 28.85 billion (U $580 m), Reliance Infra will also pay fees on a Revenue - share model </P> <P> The total length of the line is 22.7 km, of which 15.7 km is underground and 7 km, from Buddha Jayanti Park to Mahipalpur, is elevated . The trains travel at up to 135 km / h, instead of up to 80 km / h as on the rest of the metro . Travel time is 19 minutes from New Delhi to the Airport's terminal 3, T3 . </P> <P> Service was suspended from 7 July 2012 to 22 January 2013 due to technical problems . After reopening, the speed was cut to only 50 km / hr, extending the journey time from the airport to New Delhi Station to over 40 minutes . On 27 June 2013 Reliance Infrastructure Ltd. announced to DMRC that they are unable to operate the line beyond 30 June 2013 . Following this, DMRC took over operations of Airport Express line from 1 July 2013 with an operations and maintenance team of 100 officials to handle the line . DMRC reinstated the 80 km / hr speeds on the line in mid-2014 . In January 2015, DMRC reported that the Airport Metro has recorded about 30 per cent rise in its ridership following the fare reduction of up to 40% in last July . </P>

Time taken from delhi airport to delhi railway station