Tokyo Monorail will operate special trains with limited operation dates during the summer season (July 16 -).
One more “Airport Rapid” train will depart from Haneda Airport Terminal 2 Station at 19:00, 21:00, and 22:00 on weekends and holidays to improve access from Haneda Airport to downtown Tokyo. The extra trains departing at 21:00 and 22:00 will also operate on weekdays during the Bon vacation period (August 12 and 15).
© Source travel watch