VN99 Vietnam Airlines - Flight Status

Which is the frequency of flight VN99?
The flight VN99 is scheduled to flight on Wednesday, Thursday, Saturday, Sunday on a weekly basis.

Which is the distance of flight VN99?
The distance between the two airports is 7830 miles.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in San Francisco: 2025-10-19 08:59:37
Current Time in Ho Chi Minh City: 2025-10-19 22:59:37

Vietnam Airlines is the only airline operating the route from San Francisco to Ho Chi Minh City.

It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from October 02, 2024 to September 28, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.