Eastern Airways will add a fourth weekday flight between Southampton and Leeds Bradford in September.
From September 14, the regional carrier will add a 1215 departure from Southampton, arriving at Leeds Bradford at 1325, with the return flight leaving Leeds Bradford at 1430 and landing in Southampton at 1600.
The airline currently flies three weekday services between the two cities, with flights departing Leeds Bradford at 0640, 1035 and 1705 and leaving Southampton at 0820, 1630 and 1835.
A Sunday service departs Leeds Bradford at 1650 and leaves Southampton at 1845.
Kay Ryan, Eastern Airways' commercial director, said: "We are providing greater flexibility for business travellers with the increase in services to four flights each weekday between these two important business centres."
Eastern Airways has a fleet of 31 aircraft that fly to 18 airports in the UK, Norway and France.