Dulles (IAD) to Mexico City (MEX)
Flight time
≈ 4h 32m
Bearing
230° SW
Dulles (IAD) to Mexico City (MEX) is 1,865 miles (3,002 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAD–MEX
Filed traffic dataIn July 2026, United Airlines operated the most departures, one of 2 carriers flying nonstop IAD–MEX; the Boeing 737 MAX 8 was the most common aircraft at 97% of departures; flights ran 81% full.
Departures
68
July 2026
Seats
11,354
both directions
Passengers
9,245
both directions
Load factor
81.4%
RPM ÷ ASM
Who flies IAD–MEX?
United Airlines operated the most nonstop IAD–MEX departures in July 2026 (66), one of 2 carriers on the route.
- UA
66 departures · 10,956 seats
Share of departures97.1%81.1%
Load
- DL
2 departures · 398 seats
Share of departures2.9%90.7%
Load
What plane flies IAD–MEX?
In July 2026, the Boeing 737 MAX 8 flew 97% of IAD–MEX departures — more than any other aircraft type.
- Boeing 737 MAX 8
66 departures · 81.1% load
97.1% - Boeing 757-200
2 departures · 90.7% load
2.9%
How has IAD–MEX traffic changed?
Nonstop IAD–MEX departures fell from 124 in August 2025 to 68 in July 2026.
Monthly nonstop IAD–MEX traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
124 departures · 17,514 passengers
83.1%
Load
September 2025
121 departures · 12,561 passengers
62.6%
Load
October 2025
124 departures · 15,161 passengers
73.3%
Load
November 2025
121 departures · 15,532 passengers
77.1%
Load
December 2025
124 departures · 17,559 passengers
83.9%
Load
January 2026
120 departures · 14,211 passengers
71.2%
Load
February 2026
110 departures · 10,617 passengers
58.1%
Load
March 2026
125 departures · 13,677 passengers
65.7%
Load
April 2026
119 departures · 13,953 passengers
70.7%
Load
May 2026
125 departures · 13,948 passengers
67.2%
Load
June 2026
90 departures · 9,772 passengers
65.2%
Load
July 2026
68 departures · 9,245 passengers
81.4%
Load
By direction
Each direction is filed separately — they rarely match.
MEX → IAD
86.2% full
37 departures · 5,352 passengers
IAD → MEX
75.6% full
31 departures · 3,893 passengers
Nonstop IAD–MEX 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
Mexico City
MX
Mexico City Benito Juárez International Airport
Coordinates
19.44°N, 99.07°W
Hemisphere
N · W
Frequently asked
How far is Dulles (IAD) from Mexico City (MEX)?
IAD to MEX is 1,865 miles (3,002 km / 1,621 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAD to MEX?
A nonstop covers the 1,865-mile great-circle distance in roughly 4h 32m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAD–MEX?
In July 2026, the Boeing 737 MAX 8 flew the largest share of departures (97.1%), followed by the Boeing 757-200 (2.9%).
What mileage do I earn flying IAD–MEX?
Distance-based programs credit off the 1,865-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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