At just 62 miles (100 km), the world's shortest 777 route is British Airways between Antigua and St Kitts and Nevis. Operating on Wednesdays and Saturdays, the 777-200ER's complete schedule is as follows: Gatwick-Antigua: BA2157, 10:00-13:35 (8h 35m block time) Antigua-St Kitts: BA2157, 14:35-15:20 (45 minutes)