FlightSphere Provides Tons of Time Statistics for Any Route
The US Department of Transportation (DOT) maintains statistics on airline flight times and delays , but the statistics are not easy to read. FlightSphere translates this data into an easy-to-read format so you can find the best flight.
Individual airlines and other travel sites (even Wolfram Alpha) will notify you of a timely entry for a specific itinerary. However, this information does not make it easy to compare multiple airlines. Flightphere shows all data along the route. From here, you can compare which airlines have the best on-time data for where you want to go to find the best deal. A cheap flight that is always delayed is not a bargain.