Starting Mar 29, Japan Airlines will start flying a daily flight between HongKong and Tokyo Haneda (HND) with the following schedule:
HND -> HKG: 0000 -> 0355
HKG -> HND: 0010 -> 0500
Starting Apr 2, ANA will also start daily service:
HND -> HKG: 2045 -> 0030 (next day)
HKG -> HND: 0130 -> 0645
Cathay Pacific so far doesn't seem to have any plan to fly to Haneda.
HND -> HKG: 0000 -> 0355
HKG -> HND: 0010 -> 0500
Starting Apr 2, ANA will also start daily service:
HND -> HKG: 2045 -> 0030 (next day)
HKG -> HND: 0130 -> 0645
Cathay Pacific so far doesn't seem to have any plan to fly to Haneda.