1, special event. Such as large-scale conferences, sports events, music festivals, etc. , will attract more people and lead airlines to increase flights.

2. Weather conditions. In some weather conditions, flights may be affected, resulting in long delays or cancellations. Once these weather conditions improve, many delayed and cancelled flights will be rescheduled or rescheduled, and some additional flights will be added to meet the demand.

3. tourist season. During holidays, holidays or tourist season, airlines usually increase flights to meet the needs of more passengers.