The phrase "a smooth flight" is correct and usable in written English.
It can be used to describe a flight that is free from turbulence or difficulties, often in the context of travel or aviation.
Example: "We were relieved to have a smooth flight to our destination, allowing us to relax and enjoy the journey."
Alternatives: "a pleasant flight" or "a trouble-free flight".
Despite its advanced age, the Vixen is a smooth flight, especially when you quietly glide on a clean straightaway.
Luckily it's a smooth flight; we arrive in Miami around noon and by 2 p.m. I've been transported, immigrated and checked into my cabin on Royal Caribbean's Majesty of the Seas.
B-spline curve method is adopted to provide a smooth flight route for UAV.
"I wish you a smooth flight.
The remote-controlled iTrays are powered by wi-fi and iPad software, and come built with four propellers and two cameras to ensure a smooth flight for your food. .
I imagine that everyone on that fantasy plane -- from coach to first -- is served champagne before takeoff from smiling flight attendants, and that caviar and/or warm chocolate chip cookie carts make their way down wide aisles throughout a smooth flight.
Tennis players who visit his home uniformly like him, and find him amusing because he asks them questions ("How are you? How was your trip? How is your game?") and, not waiting for replies, answers all the questions himself ("It's nice to see you so well. There's nothing like a good, smooth flight. You're having your best year").
It is the first blot on the image of the A380, a 555-seat behemoth, which had a smooth initial flight in April.
Clearly inspired by Top Gun and featuring the same aircraft (the F-14 Tomcat), Sega's 1987 shooter merged gorgeous visuals with intuitive controls to produce a smooth, showy flight blaster.
Arriving very early on a Monday morning (ahead of schedule on a smooth SAS flight), the drive into Stockholm foreshadowed the climate of the trip.
Fairly Smooth Flight In this virtual-reality simulation, buckle your seat belt for a fairly smooth flight from Chicago to Dallas.
