Atlanta (ATL) to New Orleans (MSY)

425mi
684 km369 nm

Flight time

≈ 1h 39m

Bearing

235° SW

Atlanta (ATL) to New Orleans (MSY) is 425 miles (684 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: ATL → MSYATLMSY

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What actually flies ATLMSY

Filed traffic data

In May 2026, Delta Air Lines operated the most departures, one of 4 carriers flying nonstop ATL–MSY; the Boeing 737-900ER was the most common aircraft at 74% of departures; flights ran 85% full.

Departures

692

May 2026

Seats

125,995

both directions

Passengers

106,655

both directions

Load factor

84.7%

RPM ÷ ASM

Who flies ATL–MSY?

Delta Air Lines operated the most nonstop ATL–MSY departures in May 2026 (568), one of 4 carriers on the route.

What plane flies ATL–MSY?

In May 2026, the Boeing 737-900ER flew 74% of ATL–MSY departures — more than any other aircraft type.

How has ATL–MSY traffic changed?

Nonstop ATL–MSY departures rose from 669 in June 2025 to 692 in May 2026.

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

  • June 2025

    669 departures · 104,988 passengers

    83.7%

    Load

  • July 2025

    675 departures · 106,854 passengers

    85.5%

    Load

  • August 2025

    656 departures · 95,393 passengers

    77.5%

    Load

  • September 2025

    611 departures · 92,081 passengers

    79.4%

    Load

  • October 2025

    796 departures · 121,774 passengers

    81.3%

    Load

  • November 2025

    732 departures · 105,061 passengers

    75.7%

    Load

  • December 2025

    700 departures · 99,573 passengers

    77.7%

    Load

  • January 2026

    605 departures · 82,622 passengers

    73.5%

    Load

  • February 2026

    626 departures · 93,091 passengers

    79.2%

    Load

  • March 2026

    679 departures · 100,390 passengers

    79.9%

    Load

  • April 2026

    671 departures · 100,374 passengers

    80.7%

    Load

  • May 2026

    692 departures · 106,655 passengers

    84.7%

    Load

By direction

Each direction is filed separately — they rarely match.

ATLMSY

82.9% full

347 departures · 52,352 passengers

MSYATL

86.4% full

345 departures · 54,303 passengers

Nonstop ATL–MSY 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

ATL

US

Hartsfield Jackson Atlanta International Airport

Coordinates

33.64°N, 84.43°W

Hemisphere

N · W

MSY

US

Louis Armstrong New Orleans International Airport

Coordinates

29.99°N, 90.26°W

Hemisphere

N · W

Frequently asked

How far is Atlanta (ATL) from New Orleans (MSY)?

ATL to MSY is 425 miles (684 km / 369 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from ATL to MSY?

A nonstop covers the 425-mile great-circle distance in roughly 1h 39m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies ATL–MSY?

In May 2026, the Boeing 737-900ER flew the largest share of departures (74.3%), followed by the Airbus A321neo (7.2%).

What mileage do I earn flying ATL–MSY?

Distance-based programs credit off the 425-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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