Final Answer:
In the given sentence, the locations "Air Honolulu, Hawaii; San Francisco, California; and Seattle, Washington" form a list separated by commas. To avoid confusion and enhance clarity, a semicolon should be used before the conjunction "and."
Step-by-step explanation:
In the realm of effective punctuation usage, mastering the nuances of proper punctuation marks is crucial for clear and coherent communication. This extends to situations where lists of items are presented within a sentence, requiring the judicious application of punctuation to maintain grammatical accuracy and readability.
In the given scenario, the challenge lies in choosing the correct punctuation mark to seamlessly connect a series of attractive transfer locations.
The semicolon serves to separate the items in the list while indicating a slightly stronger connection than a comma alone.