Dulles (IAD) to New Orleans (MSY)
Flight time
≈ 2h 43m
Bearing
234° SW
Dulles (IAD) to New Orleans (MSY) is 955 miles (1,537 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
Look up a route, or build a trip
Change the airports, or add stops for a multi-leg trip.
What actually flies IAD–MSY
Filed traffic dataIn May 2026, United Airlines operated the most departures, one of 2 carriers flying nonstop IAD–MSY; the Boeing 737-900ER was the most common aircraft at 62% of departures; flights ran 77% full.
Departures
148
May 2026
Seats
24,044
both directions
Passengers
18,474
both directions
Load factor
76.8%
RPM ÷ ASM
Who flies IAD–MSY?
United Airlines operated the most nonstop IAD–MSY departures in May 2026 (140), one of 2 carriers on the route.
- UA
140 departures · 23,448 seats
Share of departures94.6%76.5%
Load
- YV
8 departures · 596 seats
Share of departures5.4%91.1%
Load
What plane flies IAD–MSY?
In May 2026, the Boeing 737-900ER flew 62% of IAD–MSY departures — more than any other aircraft type.
- Boeing 737-900ER
92 departures · 74.1% load
62.2% - Airbus A319
32 departures · 87.8% load
21.6% - Boeing 737 MAX 9
11 departures · 82.6% load
7.4% - Embraer E175
8 departures · 91.1% load
5.4% - Airbus A321neo
4 departures · 47.0% load
2.7% - Boeing 737-900
1 departures · 100.0% load
0.7%
How has IAD–MSY traffic changed?
Nonstop IAD–MSY departures rose from 119 in June 2025 to 148 in May 2026.
Monthly nonstop IAD–MSY traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
119 departures · 15,266 passengers
81.6%
Load
July 2025
123 departures · 13,730 passengers
76.6%
Load
August 2025
109 departures · 11,031 passengers
73.1%
Load
September 2025
97 departures · 10,163 passengers
78.6%
Load
October 2025
110 departures · 13,420 passengers
79.1%
Load
November 2025
123 departures · 13,650 passengers
69.8%
Load
December 2025
122 departures · 12,408 passengers
75.2%
Load
January 2026
102 departures · 10,715 passengers
66.5%
Load
February 2026
107 departures · 12,172 passengers
70.7%
Load
March 2026
106 departures · 13,567 passengers
80.7%
Load
April 2026
123 departures · 16,492 passengers
79.0%
Load
May 2026
148 departures · 18,474 passengers
76.8%
Load
By direction
Each direction is filed separately — they rarely match.
IAD → MSY
68.6% full
74 departures · 8,252 passengers
MSY → IAD
85.0% full
74 departures · 10,222 passengers
Nonstop IAD–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
New Orleans
US
Louis Armstrong New Orleans International Airport
Coordinates
29.99°N, 90.26°W
Hemisphere
N · W
Frequently asked
How far is Dulles (IAD) from New Orleans (MSY)?
IAD to MSY is 955 miles (1,537 km / 830 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAD to MSY?
A nonstop covers the 955-mile great-circle distance in roughly 2h 43m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAD–MSY?
In May 2026, the Boeing 737-900ER flew the largest share of departures (62.2%), followed by the Airbus A319 (21.6%).
What mileage do I earn flying IAD–MSY?
Distance-based programs credit off the 955-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.
Popular long-haul routes