Raleigh-Durham (RDU) to Chicago O'Hare (ORD)

Distance, flight time and the air traffic controllers who guide you.

Quick answer

Raleigh-Durham (RDU) to Chicago O'Hare (ORD) is 646 miles in a straight line, about 1h 47m gate to gate. Your flight is handed between 6 air traffic control facilities along the way.

646miles
561nautical miles
1,039kilometers
~1h 47mestimated flight time
−1 htime change on arrival
Northwestinitial heading

Who handles your flight

Every airliner is passed from one air traffic control facility to the next. On the most direct path, these are the teams that guide you, in order. Weather and traffic can send a flight through other centers, so your actual flight may differ a little.

  1. RDUTowerRaleigh-Durham International Tower (RDU)Clears you for takeoffThank them →
  2. ZDCCenterWashington ARTCC (ZDC)Takes over at cruising altitudeThank them →
  3. ZIDCenterIndianapolis ARTCC (ZID)Keeps you separated en routeThank them →
  4. ZAUCenterChicago ARTCC (ZAU)Starts your descentThank them →
  5. C90TRACONChicago TRACON (C90)Lines you up for the approachThank them →
  6. ORDTowerChicago O'Hare Tower (ORD)Clears you to landThank them →

Flying the other way

Chicago O'Hare (ORD) to Raleigh-Durham (RDU)

ORD → C90 → ZAU → ZID → ZDC → RDU

About the airports

Raleigh-Durham International Airport

Raleigh/Durham, NC

Codes: RDU · KRDU

Time zone: Eastern

Control tower: Raleigh-Durham International Tower (RDU)

Thank the tower →

Chicago O'Hare International Airport

Chicago, IL

Codes: ORD · KORD

Time zone: Central

Control tower: Chicago O'Hare Tower (ORD)

Thank the tower →

More routes

All flight routes →

How we figure this out

Distance is the great-circle distance between the two airports, the shortest path over the curved Earth. Flight time assumes an average airliner speed of about 500 mph plus about 30 minutes for taxi, takeoff and landing. The list of facilities follows the same path, using each airport's tower and approach control and the FAA's en route center boundaries.

Say thanks to the controllers who got you there. It's free, takes 30 seconds, and every post is checked before it goes up.

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Common questions

How long is the flight from Raleigh-Durham (RDU) to Chicago O'Hare (ORD)?

About 1h 47m gate to gate for the 646-mile trip. Flying west, you often fight a headwind, so it can take a little longer.

How far is Raleigh-Durham (RDU) from Chicago O'Hare (ORD)?

646 miles (561 nautical miles, 1,039 km) in a straight line. The path your flight actually takes is usually a little longer.

Which air traffic controllers handle a flight from Raleigh-Durham (RDU) to Chicago O'Hare (ORD)?

Usually 6 facilities: Raleigh-Durham International Tower (RDU), Washington ARTCC (ZDC), Indianapolis ARTCC (ZID), Chicago ARTCC (ZAU), Chicago TRACON (C90) and Chicago O'Hare Tower (ORD). You can thank each one on its own wall at Thank ATC.

Is there a time change between Raleigh-Durham (RDU) and Chicago O'Hare (ORD)?

Yes. Chicago O'Hare (ORD) is 1 hour behind Raleigh-Durham (RDU).

Updated October 2026

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