A cycle is counted from the first day of 1 period to the first day of the next period. The average menstrual cycle is 28 days long. Cycles can range anywhere from 21 to 35 days in adults and from 21 to 45 days in young teens.
Report Abuse. 1  How Many Flights Per Day. 2  For the best answers, search on this site https://shorturl.im/awZV0. 3  It would be hard to calculate world figures but i found numbers for the US ranging from 27,319 to 28,537 average flights per day.  That's an interesting question I hope you'll get reasonable 1  answers. Not sure.
SkyTeam - 16,323 daily flights. The daily total number of flights operated by the top three alliances is 49,140 flights daily. Now assuming the figure of daily flights for the rest of the world's passengers (based on avg.# of passengers per flight) will be somewhere between 29,652 to 38,961 flights operating daily. Adding that to the top figure, There are anywhere between 78,792 to 88,101 passenger flights operating daily in the world.