Cozumel (CZM) to Houston (IAH)
Flight time
≈ 2h 29m
Bearing
323° NW
Cozumel (CZM) to Houston (IAH) is 839 miles (1,350 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies CZM–IAH
Filed traffic dataIn May 2026, United Airlines was the only carrier flying nonstop CZM–IAH; the Boeing 737-800 was the most common aircraft at 81% of departures; flights ran 60% full.
Departures
62
May 2026
Seats
10,344
both directions
Passengers
6,256
both directions
Load factor
60.5%
RPM ÷ ASM
Who flies CZM–IAH?
United Airlines was the only carrier to fly nonstop CZM–IAH in May 2026 (62 departures).
- UA
62 departures · 10,344 seats
Share of departures100.0%60.5%
Load
What plane flies CZM–IAH?
In May 2026, the Boeing 737-800 flew 81% of CZM–IAH departures — more than any other aircraft type.
- Boeing 737-800
50 departures · 62.7% load
80.7% - Boeing 737 MAX 8
8 departures · 55.0% load
12.9% - Boeing 737 MAX 9
2 departures · 46.4% load
3.2% - Boeing 737-900ER
2 departures · 43.0% load
3.2%
How has CZM–IAH traffic changed?
Nonstop CZM–IAH departures fell from 67 in June 2025 to 62 in May 2026.
Monthly nonstop CZM–IAH traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
67 departures · 9,626 passengers
86.4%
Load
July 2025
71 departures · 9,782 passengers
82.5%
Load
August 2025
69 departures · 8,172 passengers
71.1%
Load
September 2025
60 departures · 6,095 passengers
61.0%
Load
October 2025
62 departures · 7,528 passengers
73.1%
Load
November 2025
60 departures · 7,119 passengers
70.9%
Load
December 2025
62 departures · 7,161 passengers
69.2%
Load
January 2026
62 departures · 6,266 passengers
60.3%
Load
February 2026
56 departures · 5,928 passengers
64.0%
Load
March 2026
62 departures · 6,670 passengers
64.5%
Load
April 2026
60 departures · 5,896 passengers
58.7%
Load
May 2026
62 departures · 6,256 passengers
60.5%
Load
By direction
Each direction is filed separately — they rarely match.
CZM → IAH
56.0% full
31 departures · 2,898 passengers
IAH → CZM
64.9% full
31 departures · 3,358 passengers
Nonstop CZM–IAH 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
Cozumel
MX
Cozumel International Airport
Coordinates
20.51°N, 86.93°W
Hemisphere
N · W
Frequently asked
How far is Cozumel (CZM) from Houston (IAH)?
CZM to IAH is 839 miles (1,350 km / 729 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from CZM to IAH?
A nonstop covers the 839-mile great-circle distance in roughly 2h 29m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies CZM–IAH?
In May 2026, the Boeing 737-800 flew the largest share of departures (80.7%), followed by the Boeing 737 MAX 8 (12.9%).
What mileage do I earn flying CZM–IAH?
Distance-based programs credit off the 839-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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