During many cellular reactions, energy changes are due to the movement of electrons (molecules either gain or lose electrons). A molecule that gains an electron is reduced, meaning that there has been a reduction in its positive charge. This gain in electrons is termed reduction.
Closest Airport. LaGuardia Airport â located just 3 miles from the Billie Jean Tennis Center, this is the closest airport to the US Open. However, depending on where you stay it may be wise to fly through Newark Airport (25 miles) or John F. Kennedy International Airport (10 miles).
United hubs and key airports. 1  Chicago, IL â O'Hare International Airport (ORD) 2  Denver, CO â Denver International Airport (DEN) 3  Frankfurt, Germany â Frankfurt International Airport (FRA) 4  Guam â Antonio B. Won Pat International Airport (GUM) (also known as Guam International Airport) 5  Houston, TX â Houston/ George Bush Intercontinental Airport (IAH) London, United Kingdom â London Heathrow International Airport (LHR) Los Angeles, CA â Los Angeles International Airport (LAX) Newark, NJ â New York/ Newark Liberty International Airport (EWR) [our New York area hub]