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.
Confidence votes 53. 28,537 is the number of commercial flights per day, according to the National Air Traffic Controllers Association. Shivam Gosai.
Best Answer: Northwest/Delta is now the largest airline in the world. Each carrier had between 1500 - 2000 flights per day. So when the merger is complete, you will have over 3,500 flights per day just with this airline. A lot of the same routes they share will have to cancel because of laws.