Atlanta (ATL) to Dulles (IAD)
Flight time
≈ 1h 52m
Bearing
45° NE
Atlanta (ATL) to Dulles (IAD) is 534 miles (859 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 ATL–IAD
Filed traffic dataIn July 2026, Delta Air Lines operated the most departures, one of 4 carriers flying nonstop ATL–IAD; the Airbus A319 was the most common aircraft at 43% of departures; flights ran 81% full.
Departures
707
July 2026
Seats
107,147
both directions
Passengers
87,184
both directions
Load factor
81.4%
RPM ÷ ASM
Who flies ATL–IAD?
Delta Air Lines operated the most nonstop ATL–IAD departures in July 2026 (390), one of 4 carriers on the route.
- DL
390 departures · 53,443 seats
Share of departures55.2%89.0%
Load
- UA
197 departures · 27,952 seats
Share of departures27.9%75.6%
Load
- F9
119 departures · 25,532 seats
Share of departures16.8%71.9%
Load
- GCA
1 departures · 220 seats
Share of departures0.1%61.8%
Load
What plane flies ATL–IAD?
In July 2026, the Airbus A319 flew 43% of ATL–IAD departures — more than any other aircraft type.
- Airbus A319
305 departures · 89.6% load
43.1% - Airbus A320
79 departures · 84.0% load
11.2% - Airbus A321neo
67 departures · 69.3% load
9.5% - Airbus A220-300
56 departures · 88.7% load
7.9% - Boeing 737 MAX 8
46 departures · 64.4% load
6.5% - Boeing 737-800
39 departures · 88.0% load
5.5% - Airbus A320neo
36 departures · 79.5% load
5.1% - Boeing 737-700
27 departures · 75.6% load
3.8% - Airbus A321
16 departures · 69.4% load
2.3% - Boeing 717-200
15 departures · 73.0% load
2.1% - Boeing 737-900ER
9 departures · 73.8% load
1.3% - Boeing 737 MAX 9
7 departures · 59.1% load
1.0% - Boeing 757-200
5 departures · 53.3% load
0.7%
How has ATL–IAD traffic changed?
Nonstop ATL–IAD departures rose from 702 in August 2025 to 707 in July 2026.
Monthly nonstop ATL–IAD traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
702 departures · 80,012 passengers
79.0%
Load
September 2025
680 departures · 72,554 passengers
74.7%
Load
October 2025
725 departures · 83,942 passengers
78.2%
Load
November 2025
671 departures · 72,631 passengers
71.6%
Load
December 2025
666 departures · 77,844 passengers
81.0%
Load
January 2026
542 departures · 55,532 passengers
68.4%
Load
February 2026
522 departures · 58,854 passengers
72.1%
Load
March 2026
602 departures · 69,315 passengers
78.6%
Load
April 2026
713 departures · 79,769 passengers
72.2%
Load
May 2026
809 departures · 103,375 passengers
76.7%
Load
June 2026
758 departures · 92,185 passengers
76.0%
Load
July 2026
707 departures · 87,184 passengers
81.4%
Load
By direction
Each direction is filed separately — they rarely match.
ATL → IAD
79.4% full
362 departures · 43,722 passengers
IAD → ATL
83.4% full
345 departures · 43,462 passengers
Nonstop ATL–IAD 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
Atlanta
US
Hartsfield Jackson Atlanta International Airport
Coordinates
33.64°N, 84.43°W
Hemisphere
N · W
Frequently asked
How far is Atlanta (ATL) from Dulles (IAD)?
ATL to IAD is 534 miles (859 km / 464 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from ATL to IAD?
A nonstop covers the 534-mile great-circle distance in roughly 1h 52m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies ATL–IAD?
In July 2026, the Airbus A319 flew the largest share of departures (43.1%), followed by the Airbus A320 (11.2%).
What mileage do I earn flying ATL–IAD?
Distance-based programs credit off the 534-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.
Other routes from ATL
Popular long-haul routes