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
Filed traffic dataIn May 2026, Republic Airways operated the most departures, one of 7 carriers flying nonstop ORD–RDU; the Embraer E175 was the most common aircraft at 56% of departures; flights ran 77% full.
Departures
739
May 2026
Seats
80,984
both directions
Passengers
62,656
both directions
Load factor
77.4%
RPM ÷ ASM
Who flies ORD–RDU?
Republic Airways operated the most nonstop ORD–RDU departures in May 2026 (273), one of 7 carriers on the route.
- YX
273 departures · 20,704 seats
Share of departures36.9%79.3%
Load
- UA
215 departures · 33,732 seats
Share of departures29.1%76.2%
Load
- MQ
114 departures · 8,664 seats
Share of departures15.4%80.5%
Load
- AA
98 departures · 12,544 seats
Share of departures13.3%75.8%
Load
- OO
24 departures · 1,824 seats
Share of departures3.2%78.2%
Load
- F9
14 departures · 3,330 seats
Share of departures1.9%76.4%
Load
- SY
1 departures · 186 seats
Share of departures0.1%37.1%
Load
What plane flies ORD–RDU?
In May 2026, the Embraer E175 flew 56% of ORD–RDU departures — more than any other aircraft type.
- Embraer E175
411 departures · 79.6% load
55.6% - Airbus A319
152 departures · 73.4% load
20.6% - Boeing 737-800
38 departures · 79.0% load
5.1% - Boeing 737-900ER
37 departures · 73.3% load
5.0% - Boeing 737 MAX 9
37 departures · 77.0% load
5.0% - Boeing 737 MAX 8
31 departures · 77.8% load
4.2% - Boeing 737-700
19 departures · 89.1% load
2.6% - Airbus A321neo
11 departures · 76.4% load
1.5% - Airbus A321
3 departures · 76.1% load
0.4%
How has ORD–RDU traffic changed?
Nonstop ORD–RDU departures rose from 542 in June 2025 to 739 in May 2026.
Monthly nonstop ORD–RDU traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
May 2026
739 departures · 62,656 passengers
77.4%
Load
By direction
Each direction is filed separately — they rarely match.
ORD → RDU
76.7% full
370 departures · 30,968 passengers
RDU → ORD
78.1% full
369 departures · 31,688 passengers
Nonstop ORD–RDU traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).
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 May 2026, the Embraer E175 flew the largest share of departures (55.6%), followed by the Airbus A319 (20.6%).
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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