Rome (FCO) to Dulles (IAD)
Flight time
≈ 9h 47m
Bearing
301° NW
Rome (FCO) to Dulles (IAD) is 4,494 miles (7,232 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies FCO–IAD
Filed traffic dataIn May 2026, United Airlines operated the most departures, one of 2 carriers flying nonstop FCO–IAD; the Boeing 777-200 was the most common aircraft at 56% of departures; flights ran 80% full.
Departures
111
May 2026
Seats
29,359
both directions
Passengers
23,457
both directions
Load factor
79.9%
RPM ÷ ASM
Who flies FCO–IAD?
United Airlines operated the most nonstop FCO–IAD departures in May 2026 (83), one of 2 carriers on the route.
- UA
83 departures · 21,375 seats
Share of departures74.8%85.4%
Load
- AZ
ITA
28 departures · 7,984 seats
Share of departures25.2%65.2%
Load
What plane flies FCO–IAD?
In May 2026, the Boeing 777-200 flew 56% of FCO–IAD departures — more than any other aircraft type.
- Boeing 777-200
62 departures · 85.4% load
55.9% - Airbus A330-900
24 departures · 63.1% load
21.6% - Boeing 767-300
21 departures · 85.3% load
18.9% - Airbus A330-200
4 departures · 79.5% load
3.6%
How has FCO–IAD traffic changed?
Nonstop FCO–IAD departures fell from 168 in June 2025 to 111 in May 2026.
Monthly nonstop FCO–IAD traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
168 departures · 35,369 passengers
86.5%
Load
July 2025
159 departures · 33,534 passengers
85.5%
Load
August 2025
172 departures · 36,121 passengers
78.2%
Load
September 2025
164 departures · 34,657 passengers
80.0%
Load
October 2025
124 departures · 26,626 passengers
88.1%
Load
November 2025
58 departures · 11,867 passengers
88.8%
Load
December 2025
62 departures · 11,903 passengers
87.7%
Load
January 2026
37 departures · 6,758 passengers
90.0%
Load
February 2026
38 departures · 6,927 passengers
81.8%
Load
March 2026
80 departures · 15,776 passengers
80.5%
Load
April 2026
78 departures · 14,681 passengers
75.5%
Load
May 2026
111 departures · 23,457 passengers
79.9%
Load
By direction
Each direction is filed separately — they rarely match.
FCO → IAD
73.2% full
69 departures · 13,598 passengers
IAD → FCO
91.4% full
42 departures · 9,859 passengers
Nonstop FCO–IAD 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
Rome
IT
Rome–Fiumicino Leonardo da Vinci International Airport
Coordinates
41.80°N, 12.25°E
Hemisphere
N · E
Frequently asked
How far is Rome (FCO) from Dulles (IAD)?
FCO to IAD is 4,494 miles (7,232 km / 3,905 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from FCO to IAD?
A nonstop covers the 4,494-mile great-circle distance in roughly 9h 47m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies FCO–IAD?
In May 2026, the Boeing 777-200 flew the largest share of departures (55.9%), followed by the Airbus A330-900 (21.6%).
What mileage do I earn flying FCO–IAD?
Distance-based programs credit off the 4,494-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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