The difference is not as high as I had originally thought and has been narrowing recently, it is still a substantial number. Currently 7.5 hrs/day [3] for smal

The difference is not as high as I had originally thought and has been narrowing recently, it is still a substantial number. Currently 7.5 hrs/day [3] for small narrow bodies, 10.09 hrs/day [2] for large narrow bodies and 12.48 hrs/day [1] for wide bodies. [1] https://web.mit.edu/airlinedata/www/2019%2012%20Month%20Documents/Aircraft%20and%20Related/Widebody/Average%20Daily%20Airborne%20Hours%20of%20Total%20Widebody%20Fleet.htm https://web.mit.edu/airlinedata/www/2019%2012%20Month%20Docu... [2] https://web.mit.edu/airlinedata/www/2019%2012%20Month%20Documents/Aircraft%20and%20Related/Large%20Narrow/Average%20Daily%20Airborne%20Hours%20of%20Total%20Large%20Narrowbody%20Fleet.htm https://web.mit.edu/airlinedata/www/2019%2012%20Month%20Docu... [3] https://web.mit.edu/airlinedata/www/2019%2012%20Month%20Documents/Aircraft%20and%20Related/Small%20Narrow/Average%20Daily%20Airborne%20Hours%20of%20Total%20Small%20Narrowbody%20Fleet.htm https://web.mit.edu/airlinedata/www/2019%2012%20Month%20Docu...