More than 900 extra seats a month are being added by Eastern Airways on routes from Leeds Bradford airport to Aberdeen and Southampton.
The regional carrier has introduced a 37-seat Embraer 135 regional jet on selected peak services to both destinations from the Yorkshire airport.
New flight timings also start today (Monday) on the service, enabling business travellers to arrive in Southampton by 7.25am and the choice of two northbound flights arriving in Aberdeen before 9.45am.
Weekday flights to Southampton from Leeds Bradford will see new 6.40am, 10.35am and 5.15pm departures arriving in Hampshire at 7.25am, 11.45am and 6pm respectively.
Flights leave Southampton at 7.50am, 4.30pm and 6.30pm landing at Leeds Bradford at 8.35am, 5.45pm and 7.15pm respectively.
Sunday services leave Leeds Bradford at 5.55pm and depart Southampton at 7.15pm.
Flights to Aberdeen on weekdays will depart Leeds Bradford at 7am, 8.55am and 6.05pm, arriving at 8.10am, 9.45am and 7.20pm.
Services take off from Aberdeen at 8.45am, 4.10pm and 7.55pm arriving in Leeds Bradford at 10.05am, 4.55pm and 9.05pm respectively. Sunday flights depart from Leeds/Bradford at 8.20pm and leave Aberdeen at 4.45pm.
Fares start at £79 one-way, including taxes and charges.
Eastern Airways commercial director Kay Ryan said: “The introduction of the Embraer jet on our Leeds Bradford services enables us to offer additional capacity to the two busy regional centres of Southampton and Aberdeen.
“It also allows us to offer business commuters and offshore industry personnel new enhanced timings to suit their needs.”
Leeds Bradford aviation development director Tony Hallwood said: “The introduction of a jet service allied to a more convenient flight schedule will deliver improvements meeting the travel needs of our business and corporate customers.”