Houston (IAH) to Mexico City (MEX)
Flight time
≈ 2h 20m
Bearing
199° S
Houston (IAH) to Mexico City (MEX) is 765 miles (1,232 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAH–MEX
Filed traffic dataIn May 2026, United Airlines operated the most departures, one of 5 carriers flying nonstop IAH–MEX; the Airbus A319 was the most common aircraft at 36% of departures; flights ran 73% full.
Departures
567
May 2026
Seats
88,334
both directions
Passengers
64,428
both directions
Load factor
72.9%
RPM ÷ ASM
Who flies IAH–MEX?
United Airlines operated the most nonstop IAH–MEX departures in May 2026 (332), one of 5 carriers on the route.
- UA
332 departures · 43,848 seats
Share of departures58.6%67.8%
Load
- AM
Aeroméxico
124 departures · 20,242 seats
Share of departures21.9%77.6%
Load
- Y4
Volaris
62 departures · 13,484 seats
Share of departures10.9%78.8%
Load
- VB
Viva
48 departures · 10,588 seats
Share of departures8.5%77.3%
Load
- AA
1 departures · 172 seats
Share of departures0.2%97.1%
Load
What plane flies IAH–MEX?
In May 2026, the Airbus A319 flew 36% of IAH–MEX departures — more than any other aircraft type.
- Airbus A319
206 departures · 66.6% load
36.3% - Airbus A320
100 departures · 78.0% load
17.6% - Boeing 737-800
63 departures · 76.0% load
11.1% - Boeing 737 MAX 8
60 departures · 80.3% load
10.6% - Airbus A321
56 departures · 75.3% load
9.9% - Boeing 737-700
42 departures · 55.7% load
7.4% - Airbus A321neo
26 departures · 76.1% load
4.6% - Airbus A320neo
12 departures · 86.4% load
2.1% - Boeing 737 MAX 9
2 departures · 58.3% load
0.4%
How has IAH–MEX traffic changed?
Nonstop IAH–MEX departures fell from 622 in June 2025 to 567 in May 2026.
Monthly nonstop IAH–MEX traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
622 departures · 72,377 passengers
72.6%
Load
July 2025
648 departures · 81,005 passengers
82.1%
Load
August 2025
611 departures · 72,855 passengers
77.0%
Load
September 2025
555 departures · 58,151 passengers
66.7%
Load
October 2025
582 departures · 69,144 passengers
74.9%
Load
November 2025
599 departures · 76,568 passengers
77.3%
Load
December 2025
648 departures · 89,672 passengers
84.1%
Load
January 2026
607 departures · 72,797 passengers
78.3%
Load
February 2026
553 departures · 60,321 passengers
72.3%
Load
March 2026
607 departures · 73,042 passengers
77.1%
Load
April 2026
564 departures · 62,446 passengers
70.7%
Load
May 2026
567 departures · 64,428 passengers
72.9%
Load
By direction
Each direction is filed separately — they rarely match.
MEX → IAH
69.8% full
284 departures · 30,899 passengers
IAH → MEX
76.1% full
283 departures · 33,529 passengers
Nonstop IAH–MEX 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
Mexico City
MX
Mexico City Benito Juárez International Airport
Coordinates
19.44°N, 99.07°W
Hemisphere
N · W
Frequently asked
How far is Houston (IAH) from Mexico City (MEX)?
IAH to MEX is 765 miles (1,232 km / 665 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAH to MEX?
A nonstop covers the 765-mile great-circle distance in roughly 2h 20m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAH–MEX?
In May 2026, the Airbus A319 flew the largest share of departures (36.3%), followed by the Airbus A320 (17.6%).
What mileage do I earn flying IAH–MEX?
Distance-based programs credit off the 765-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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