Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
had been flying
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'had been flying' is correct and usable in written English.
It can be used to describe an event or action that began in the past and continued up to a point in the past. For example: Robert had been flying his kite for hours when the wind suddenly died down.
✓ Grammatically correct
News & Media
Wiki
Formal & Business
Alternative expressions(20)
was flying
had flown
had been piloting
had piloted
was airborne
had navigated
had been fluttering
had been floating
had been hovering
had been travelling
had been steering
had been visiting
had begun flying
had been circling
had been driving
had been sailing
had been traveling
had been flight
had been robberies
had been planes
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
50 human-written examples
The Montenegro forward had been flying.
News & Media
A second helicopter had been flying with the MH-60.
News & Media
He had been flying the Ju-52 regularly since 2004.
News & Media
She had been flying since she was 12.
News & Media
He had been flying home from a summit in Russia.
News & Media
The aircraft had been flying circuits over Sussex while dumping fuel to reduce its weight.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
6 human-written examples
American officials said the Predator had been flying 16 nautical miles off the Iranian coast.
News & Media
Siebold, who had been flying Virgin Galactic's spaceships for a decade, had to rely on his experience and his instincts.
News & Media
The waiter told me the bird had appeared late morning the day before and had been flying around ever since.
News & Media
Up to then most Irish-registered ships had been flying the red ensign of the United Kingdom Merchant Navy.
Wiki
It had been flying at 32,000 feet.
News & Media
Expert writing Tips
Best practice
When using "had been flying", ensure the context clearly establishes the duration and timeframe being referenced. For example, "By the time the storm hit, the pilot had been flying for six hours".
Common error
Avoid using "had been flying" when a simple past tense like "flew" or a past perfect tense like "had flown" would be more appropriate. "Had been flying" indicates a continuous action up to a specific point in the past.
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "had been flying" functions as a past perfect continuous verb phrase, indicating an action that was in progress before another action or point in the past. Ludwig AI confirms this through numerous examples showcasing the phrase's use in describing ongoing activities in the past.
Frequent in
News & Media
55%
Wiki
20%
Formal & Business
10%
Less common in
Science
5%
Encyclopedias
5%
Reference
5%
Ludwig's WRAP-UP
In summary, the phrase "had been flying" functions as a past perfect continuous verb phrase, describing a continuous action leading up to a point in the past. According to Ludwig AI, it's grammatically correct and commonly used, especially in News & Media contexts. While versatile, it's crucial to ensure proper tense usage and context to avoid common errors. For alternative expressions, you can use phrases like "was flying" or "had flown", each with subtle differences in meaning. Remember to consider the duration and timeframe when incorporating "had been flying" into your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
had flown
A simpler past perfect tense emphasizing completion.
was flying
Omits the sense of continuous action over a period.
had been piloting
Similar, but emphasizes the act of piloting.
had piloted
Emphasizes the act of piloting or controlling an aircraft.
was airborne
Focuses on the state of being in the air.
had navigated
Highlights the navigational aspect of flying.
had been operating
Broader term implying control over machinery, not just aircraft.
had journeyed by air
Emphasizes the travel aspect of flying.
had taken to the skies
A more figurative and evocative way to describe flying.
had soared
Focuses on the graceful, upward movement during flight.
FAQs
How can I use "had been flying" in a sentence?
Use "had been flying" to describe an action of flying that started in the past and continued until a specific time in the past. For example, "The plane "had been flying" for hours before the storm hit".
What's the difference between "had been flying" and "had flown"?
"Had been flying" emphasizes the duration of the flight, while "had flown" simply states that the flight occurred. Use "had been flying" when you want to highlight the continuous nature of the action.
Is there a more formal way to say "had been flying"?
While "had been flying" is suitable for most contexts, you could use "had been piloting" or "had been navigating" depending on the specific aspect of flying you want to emphasize.
When is it incorrect to use "had been flying"?
It's incorrect to use "had been flying" if you're simply stating that a flight happened without emphasizing its duration or continuity. In such cases, "had flown" is more appropriate.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested