Starting October
Jetstar Japan will expand operations on the Kansai and Oita routes to and from Narita on the 2020 winter schedule. Starting on September 1, they started additional sales of winter schedules on 6 domestic routes, and expanded 2 routes to and from Narita
The summer schedule for the Narita / Kansai Line operates one round trip a day on weekdays and two round trips a day on weekends and holidays. There are daytime or evening flights from Narita at 12:15 GK205, 15:45 GK207, Kansai at 14:05 GK204, and 18:05 GK208.
In the winter schedule, they will add daily morning flights in November. These are GK201 departing from Narita at 7:10 and GK202 departing from Kansai at 9:50. In addition to this flight, the winter schedule will be 2 to 4 round trips a day.
The Narita/Oita line operates three round trips a week on Wednesday, Friday, and day in September, and operates one round trip a day during consecutive holidays. Departing from Narita is GK601 at 8:20 or GK607 at 17:30 and departing from Oita is GK600 at 10:45 or GK608 at 20:05.
In the winter schedule, GK603 flight departing from Narita at 13:50 and GK602 flight departing from Oita at 16:25 will be added. There are four weekly flights from Monday through Thursday, but some days may not be available. As a result, the Narita / Oita route will be expanded from one round trip to two round trips a day, except for some schedules.
Source: https://flyteam.jp/news/article/127752