Dulles (IAD) to Zurich (ZRH)
Flight time
≈ 9h 06m
Bearing
51° NE
Dulles (IAD) to Zurich (ZRH) is 4,147 miles (6,673 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAD–ZRH
Filed traffic dataIn July 2026, Swiss International Airlines operated the most departures, one of 2 carriers flying nonstop IAD–ZRH; the Airbus A330-200 was the most common aircraft at 51% of departures; flights ran 85% full.
Departures
117
July 2026
Seats
25,787
both directions
Passengers
21,972
both directions
Load factor
85.2%
RPM ÷ ASM
Who flies IAD–ZRH?
Swiss International Airlines operated the most nonstop IAD–ZRH departures in July 2026 (60), one of 2 carriers on the route.
- LX
Swiss International Airlines
60 departures · 14,160 seats
Share of departures51.3%86.5%
Load
- UA
57 departures · 11,627 seats
Share of departures48.7%83.7%
Load
What plane flies IAD–ZRH?
In July 2026, the Airbus A330-200 flew 51% of IAD–ZRH departures — more than any other aircraft type.
- Airbus A330-200
60 departures · 86.5% load
51.3% - Boeing 767-300
55 departures · 84.0% load
47.0% - Boeing 767-400ER
2 departures · 74.5% load
1.7%
How has IAD–ZRH traffic changed?
Nonstop IAD–ZRH departures fell from 121 in August 2025 to 117 in July 2026.
Monthly nonstop IAD–ZRH traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
121 departures · 24,224 passengers
90.1%
Load
September 2025
119 departures · 20,349 passengers
77.7%
Load
October 2025
118 departures · 19,262 passengers
73.8%
Load
November 2025
102 departures · 14,570 passengers
66.2%
Load
December 2025
113 departures · 19,676 passengers
79.9%
Load
January 2026
99 departures · 17,103 passengers
73.5%
Load
February 2026
98 departures · 13,288 passengers
58.4%
Load
March 2026
107 departures · 18,097 passengers
73.7%
Load
April 2026
120 departures · 19,448 passengers
69.6%
Load
May 2026
122 departures · 18,709 passengers
69.6%
Load
June 2026
122 departures · 20,151 passengers
76.0%
Load
July 2026
117 departures · 21,972 passengers
85.2%
Load
By direction
Each direction is filed separately — they rarely match.
IAD → ZRH
83.4% full
59 departures · 10,834 passengers
ZRH → IAD
87.1% full
58 departures · 11,138 passengers
Nonstop IAD–ZRH 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
Zurich
CH
Zürich Airport
Coordinates
47.46°N, 8.55°E
Hemisphere
N · E
Frequently asked
How far is Dulles (IAD) from Zurich (ZRH)?
IAD to ZRH is 4,147 miles (6,673 km / 3,603 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAD to ZRH?
A nonstop covers the 4,147-mile great-circle distance in roughly 9h 06m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAD–ZRH?
In July 2026, the Airbus A330-200 flew the largest share of departures (51.3%), followed by the Boeing 767-300 (47.0%).
What mileage do I earn flying IAD–ZRH?
Distance-based programs credit off the 4,147-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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