Raleigh–Durham International airport is a focus city for Delta Air Lines and Frontier Airlines. RDU has passenger service to 68 cities with over 450 average daily departures.

RDU has three runways. Two parallel runways are designated 5L/23R and 5R/23L, and a cross-wind runway designated 14/32. Both parallel runways have been equipped with LED lights.

KRDU contains two terminals and three concourses. The two terminals do not have an airside connection, passengers moving between the terminals may ride a shuttle bus or take the moving walkway through the covered parking decks between the terminals.