Baltimore (BWI) to Louisville (SDF)

494mi
795 km429 nm

Flight time

≈ 1h 47m

Bearing

265° W

Baltimore (BWI) to Louisville (SDF) is 494 miles (795 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: BWI → SDFBWISDF

Look up a route, or build a trip

Change the airports, or add stops for a multi-leg trip.

What actually flies BWI–SDF

Filed traffic data

In July 2026, Southwest Airlines operated the most departures, one of 2 carriers flying nonstop BWI–SDF; the Boeing 737-700 was the most common aircraft at 56% of departures; flights ran 72% full.

Departures

158

July 2026

Seats

24,162

both directions

Passengers

17,405

both directions

Load factor

72.0%

RPM ÷ ASM

Who flies BWI–SDF?

Southwest Airlines operated the most nonstop BWI–SDF departures in July 2026 (157), one of 2 carriers on the route.

What plane flies BWI–SDF?

In July 2026, the Boeing 737-700 flew 56% of BWI–SDF departures — more than any other aircraft type.

How has BWI–SDF traffic changed?

Nonstop BWI–SDF departures held steady at about 158 a month between August 2025 and July 2026.

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

  • August 2025

    158 departures · 15,256 passengers

    60.8%

    Load

  • September 2025

    154 departures · 18,445 passengers

    74.7%

    Load

  • October 2025

    190 departures · 23,447 passengers

    77.5%

    Load

  • November 2025

    140 departures · 12,670 passengers

    59.3%

    Load

  • December 2025

    130 departures · 10,740 passengers

    55.8%

    Load

  • January 2026

    118 departures · 7,651 passengers

    40.9%

    Load

  • February 2026

    110 departures · 8,928 passengers

    50.7%

    Load

  • March 2026

    125 departures · 10,801 passengers

    54.7%

    Load

  • April 2026

    149 departures · 15,058 passengers

    63.0%

    Load

  • May 2026

    160 departures · 16,950 passengers

    66.4%

    Load

  • June 2026

    160 departures · 18,667 passengers

    75.8%

    Load

  • July 2026

    158 departures · 17,405 passengers

    72.0%

    Load

By direction

Each direction is filed separately — they rarely match.

SDF → BWI

68.7% full

80 departures · 8,531 passengers

BWI → SDF

75.5% full

78 departures · 8,874 passengers

Nonstop BWI–SDF traffic has been filed since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).

The airports

BWI

US

Baltimore/Washington International Thurgood Marshall Airport

Coordinates

39.18°N, 76.67°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 Baltimore (BWI) from Louisville (SDF)?

BWI to SDF is 494 miles (795 km / 429 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from BWI to SDF?

A nonstop covers the 494-mile great-circle distance in roughly 1h 47m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies BWI–SDF?

In July 2026, the Boeing 737-700 flew the largest share of departures (56.3%), followed by the Boeing 737 MAX 8 (24.1%).

What mileage do I earn flying BWI–SDF?

Distance-based programs credit off the 494-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

Keep exploring

Every route below is its own page.