Among the chosen flights
, this one, from Paris to Washington on-board a Boeing 747, has a duration of 7 hours and 41 minutes. It is typical of the transatlantic flights. The flight route culminates at 54░ North in latitude and passes over Halifax, New Scottia, Canada and then follows the East Coast to Washington. The maximum altitude is 39 000 feet (11 900 meters).
The blue bars are calculated monthly mean values and the orange dash line is the running average over 12 months. Red and orange bars are predicted values. Orange ones are anterior to the date when the prediction was computed (delay of 6 months because of the running average calculation).