The Delhi Metro represents a metro system that serves Delhi and its satellite cities of Faridabad Gurugram Noida and Ghaziabad in the National Capital Region in the country. Services on the Airport Express line and Delhi Metro open earlier in the mornings and start its operations from 5:30 am to 11:30 pm. The trains are typical of four-six and eight-coach length. Metro operates over three thousand trips daily. The First Train and Last Train timings are not always the same and vary following each station. Similarly, The Airport Metro Express line starts its operations at 4.45 am till 11.30 pm. (last drop off).