Among the chosen flights
, this one, from Paris to San Francisco on-board an Airbus A340, has a duration of 11 hours and 24 minutes. It is one of the most exposed long-haul flights. Indeed, its route reaches high latitudes over South of Greenland (maximum latitude of 67░ North). 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).