Flight Chhatrapati Shivaji International Airport departs from Mumbai Chhatrapati Shivaji International Airport at 17:20 and arrives at Goa Dabolim International Airport at 18:25.
The flighttime is about 1h 05m. The distance travelled ("as the bird flies"): 159 Km. So the average speed is roughly 147 Km.
The best day to arrive at Mumbai is Monday and it would be best to avoid Friday, as prices are on average 55.97% higher than on Monday. (Average prices, based on 689326 datapoints.)
We have a lot more statistics for flights 6E 399 and between Mumbai and Goa.