Raleigh/Durham (RDU) to Louisville (SDF)

415mi
667 km360 nm

Flight time

≈ 1h 38m

Bearing

295° NW

Raleigh/Durham (RDU) to Louisville (SDF) is 415 miles (667 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: RDU → SDFRDUSDF

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What actually flies RDUSDF

Filed traffic data

In May 2026, Breeze Airways operated the most departures, one of 5 carriers flying nonstop RDU–SDF; the Airbus A220-300 was the most common aircraft at 78% of departures; flights ran 61% full.

Departures

41

May 2026

Seats

5,488

both directions

Passengers

3,360

both directions

Load factor

61.2%

RPM ÷ ASM

Who flies RDU–SDF?

Breeze Airways operated the most nonstop RDU–SDF departures in May 2026 (34), one of 5 carriers on the route.

  • MX

    Breeze Airways

    34 departures · 4,600 seats

    57.6%

    Load

  • 9E

    Endeavor Air

    2 departures · 152 seats

    42.8%

    Load

  • AA

    American Airlines

    2 departures · 300 seats

    72.0%

    Load

  • G4

    Allegiant Air

    2 departures · 360 seats

    98.3%

    Load

  • YX

    Republic Airways

    1 departures · 76 seats

    100.0%

    Load

What plane flies RDU–SDF?

In May 2026, the Airbus A220-300 flew 78% of RDU–SDF departures — more than any other aircraft type.

How has RDU–SDF traffic changed?

Nonstop RDU–SDF departures rose from 17 in June 2025 to 41 in May 2026.

Monthly nonstop RDUSDF traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.

  • June 2025

    17 departures · 1,391 passengers

    75.8%

    Load

  • July 2025

    19 departures · 1,672 passengers

    78.9%

    Load

  • August 2025

    18 departures · 1,453 passengers

    74.7%

    Load

  • September 2025

    16 departures · 1,376 passengers

    79.6%

    Load

  • October 2025

    19 departures · 1,514 passengers

    70.8%

    Load

  • November 2025

    20 departures · 1,408 passengers

    65.2%

    Load

  • December 2025

    22 departures · 1,461 passengers

    63.5%

    Load

  • January 2026

    10 departures · 478 passengers

    45.8%

    Load

  • February 2026

    20 departures · 1,382 passengers

    58.7%

    Load

  • March 2026

    20 departures · 1,678 passengers

    64.4%

    Load

  • April 2026

    21 departures · 1,944 passengers

    71.2%

    Load

  • May 2026

    41 departures · 3,360 passengers

    61.2%

    Load

By direction

Each direction is filed separately — they rarely match.

RDUSDF

61.7% full

21 departures · 1,702 passengers

SDFRDU

60.8% full

20 departures · 1,658 passengers

Nonstop RDU–SDF 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

RDU

US

Raleigh-Durham International Airport

Coordinates

35.88°N, 78.79°W

Hemisphere

N · W

SDF

US

Louisville Muhammad Ali International Airport

Coordinates

38.17°N, 85.74°W

Hemisphere

N · W

Frequently asked

How far is Raleigh/Durham (RDU) from Louisville (SDF)?

RDU to SDF is 415 miles (667 km / 360 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from RDU to SDF?

A nonstop covers the 415-mile great-circle distance in roughly 1h 38m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies RDU–SDF?

In May 2026, the Airbus A220-300 flew the largest share of departures (78.0%), followed by the Bombardier CRJ-900 (4.9%).

What mileage do I earn flying RDU–SDF?

Distance-based programs credit off the 415-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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