Once i was coming from cdg to delhi by Punjab Roadways (PUNBUS) Mercedes bus & the bus conductor told one passenger that we will reach in 4hrs from cdg to delhi (closest stop to delhi airport) & the bus took 5hrs 15mins to reach that stop as we took the bus at 12pm & the passenger who wants to catch the flight was telling me this bus took extra 1hr 15 mins now it wud be very difficult to catch the flight