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bmi (IATA Code: BD) is the second largest full-service scheduled airline in the United Kingdom. Based at Donington Hall, close to Nottingham East Midlands Airport, it flies to destinations across Europe, and to the United States, India, the Caribbean and Saudi Arabia.

bmi's operational base is London Heathrow, where it holds 14% of all take off and landing slots, and operates over 2,000 flights a week.