Chicago (ORD) to Raleigh/Durham (RDU)
Flight time
≈ 2h 05m
Bearing
128° SE
Chicago (ORD) to Raleigh/Durham (RDU) is 646 miles (1,039 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies ORD–RDU
US DOT T-100 · filed dataIn April 2026, United Airlines operated the most departures, one of 6 carriers flying nonstop ORD–RDU; the Embraer E175 was the most common aircraft at 53% of departures; flights ran 73% full.
Departures
694
April 2026
Seats
75,370
both directions
Passengers
55,192
both directions
Load factor
73.2%
passengers ÷ seats
Who flies ORD–RDU?
United Airlines operated the most nonstop ORD–RDU departures in April 2026 (207), one of 6 carriers on the route.
- UA
United Airlines
207 departures · 30,351 seats
Share of departures29.8%73.7%
Load
- YX
Republic Airways
197 departures · 14,928 seats
Share of departures28.4%76.4%
Load
- MQ
Envoy Air
173 departures · 13,081 seats
Share of departures24.9%74.4%
Load
- AA
American Airlines
89 departures · 11,444 seats
Share of departures12.8%70.2%
Load
- F9
Frontier Airlines
26 departures · 5,414 seats
Share of departures3.7%65.9%
Load
- OO
SkyWest Airlines
2 departures · 152 seats
Share of departures0.3%63.2%
Load
What plane flies ORD–RDU?
In April 2026, the Embraer E175 flew 53% of ORD–RDU departures — more than any other aircraft type.
- Embraer E175
366 departures · 75.2% load
52.7% - Airbus A319
170 departures · 73.5% load
24.5% - Boeing 737-800
35 departures · 74.9% load
5.0% - Boeing 737-700
28 departures · 86.5% load
4.0% - Boeing 737 MAX 8
28 departures · 75.0% load
4.0% - Boeing 737 MAX 9
24 departures · 66.1% load
3.5% - Airbus A320neo
10 departures · 70.0% load
1.4% - Boeing 737-900ER
9 departures · 39.5% load
1.3% - Airbus A321neo
9 departures · 69.0% load
1.3% - Airbus A321
7 departures · 57.6% load
1.0% - Embraer E170
6 departures · 84.9% load
0.9% - Airbus A320
2 departures · 50.3% load
0.3%
How has ORD–RDU traffic changed?
Nonstop ORD–RDU departures rose from 589 in May 2025 to 694 in April 2026.
Monthly nonstop ORD–RDU traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
589 departures · 61,149 passengers
78.0%
Load
June 2025
542 departures · 62,708 passengers
84.4%
Load
July 2025
542 departures · 67,073 passengers
85.5%
Load
August 2025
530 departures · 61,571 passengers
84.3%
Load
September 2025
533 departures · 55,953 passengers
77.5%
Load
October 2025
653 departures · 70,022 passengers
78.2%
Load
November 2025
597 departures · 57,561 passengers
68.1%
Load
December 2025
576 departures · 53,076 passengers
74.0%
Load
January 2026
429 departures · 35,617 passengers
73.0%
Load
February 2026
484 departures · 38,743 passengers
73.6%
Load
March 2026
609 departures · 50,987 passengers
75.8%
Load
April 2026
694 departures · 55,192 passengers
73.2%
Load
By direction
The DOT files each direction separately — they rarely match.
ORD → RDU
71.1% full
349 departures · 27,795 passengers
RDU → ORD
75.6% full
345 departures · 27,397 passengers
Nonstop ORD–RDU traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Chicago (ORD) from Raleigh/Durham (RDU)?
ORD to RDU is 646 miles (1,039 km / 561 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from ORD to RDU?
A nonstop covers the 646-mile great-circle distance in roughly 2h 05m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies ORD–RDU?
In April 2026, the Embraer E175 flew the largest share of departures (52.7%), followed by the Airbus A319 (24.5%).
What mileage do I earn flying ORD–RDU?
Distance-based programs credit off the 646-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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