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.
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What actually flies ATL–IAD
US DOT T-100 · filed dataIn April 2026, Delta Air Lines operated the most departures, one of 5 carriers flying nonstop ATL–IAD; the Airbus A319 was the most common aircraft at 28% of departures; flights ran 72% full.
Departures
713
April 2026
Seats
110,468
both directions
Passengers
79,769
both directions
Load factor
72.2%
passengers ÷ seats
Who flies ATL–IAD?
Delta Air Lines operated the most nonstop ATL–IAD departures in April 2026 (390), one of 5 carriers on the route.
- DL
Delta Air Lines
390 departures · 56,851 seats
Share of departures54.7%73.9%
Load
- UA
United Airlines
212 departures · 29,691 seats
Share of departures29.7%74.1%
Load
- F9
Frontier Airlines
109 departures · 23,774 seats
Share of departures15.3%65.7%
Load
- 9E
Endeavor Air
1 departures · 76 seats
Share of departures0.1%82.9%
Load
- YV
Mesa Airlines
1 departures · 76 seats
Share of departures0.1%81.6%
Load
What plane flies ATL–IAD?
In April 2026, the Airbus A319 flew 28% of ATL–IAD departures — more than any other aircraft type.
- Airbus A319
198 departures · 82.0% load
27.8% - Boeing 737-800
143 departures · 72.7% load
20.1% - Boeing 737-700
86 departures · 69.5% load
12.1% - Airbus A320
64 departures · 81.2% load
9.0% - Airbus A220-300
51 departures · 75.4% load
7.1% - Airbus A321neo
44 departures · 62.2% load
6.2% - Airbus A320neo
37 departures · 73.6% load
5.2% - Boeing 737 MAX 8
36 departures · 66.2% load
5.1% - Airbus A321
28 departures · 63.1% load
3.9% - Boeing 737-900ER
10 departures · 58.7% load
1.4% - Boeing 757-200
10 departures · 3.3% load
1.4% - Boeing 717-200
4 departures · 80.2% load
0.6% - Embraer E175
1 departures · 81.6% load
0.1% - Bombardier CRJ-900
1 departures · 82.9% load
0.1%
How has ATL–IAD traffic changed?
Nonstop ATL–IAD departures rose from 706 in May 2025 to 713 in April 2026.
Monthly nonstop ATL–IAD traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
706 departures · 82,042 passengers
77.7%
Load
June 2025
703 departures · 80,052 passengers
81.5%
Load
July 2025
689 departures · 82,365 passengers
81.8%
Load
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
By direction
The DOT files each direction separately — they rarely match.
ATL → IAD
73.9% full
358 departures · 41,004 passengers
IAD → ATL
70.5% full
355 departures · 38,765 passengers
Nonstop ATL–IAD traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
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 April 2026, the Airbus A319 flew the largest share of departures (27.8%), followed by the Boeing 737-800 (20.1%).
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.
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