"we feel delighted" is correct and usable in written English. You can use it anytime you wish to express joy, pleasure, or contentment. For example, "We feel delighted to be able to attend the party tonight.".
We feel delighted to have the opportunity to accord honour to one of the great sons of Africa.
"I feel delighted, completely vindicated.
When I see a Citi Bike, I smile and feel delighted.
But he was fourth – eight-tenths of a second behind the Australian Ricciardo – here and could feel delighted with his afternoon in an uncompetitive car.
You go to Hopkins' prose - as you go to his poems - expecting to feel delighted by the brilliance of his perception of things in the natural world.
If Debra Galant feels "Hit in the Plexes" (Jersey, Feb. 4) because of the closing of the Franklin Theater in Nutley, I feel delighted at the memories of the theater.
They stare impatiently from the windows of every train and stagecoach, waiting to see Indians or bank robberies or saloons of ill repute; when they finally get "a taste of the 'real West,' " encountering the haggard people in a mining town, they feel "delighted" and imagine "that they, too, had become more real themselves".
I love the desktop app, it’s always running on my Mac. Ludwig is the best English buddy, it answers my 100 queries per day and stays cool.
Cristina Valenza
Retail Lead Linguist @ Apple Inc.