CUN to IAH: Distance and Flight Time
The distance from Cancún International Airport (CUN) to George Bush Intercontinental Airport (IAH) is 1,307 km (812 mi). A typical nonstop flight covers it in about 2h 10m, heading northwest. The distance is the same in either direction (IAH to CUN).
How far is it from Cancún to Houston?
The great-circle distance between Cancún International Airport (CUN) and George Bush Intercontinental Airport (IAH) is 1,307 km (812 mi, 706 nautical miles). That is the straight-line distance; a real flight is a little longer because of air-traffic routing.
How long is the flight from CUN to IAH?
A nonstop flight typically takes about 2h 10m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. IAH is roughly northwest of CUN.
How is the CUN to IAH route written in code?
The pair is written CUN-IAH in IATA codes and MMUN-KIAH in ICAO codes, the form used on a flight plan. Cancún International Airport is CUN (MMUN), George Bush Intercontinental Airport is IAH (KIAH).
| CUN | IAH | |
|---|---|---|
| Airport | Cancún International Airport | George Bush Intercontinental Airport |
| ICAO code | MMUN | KIAH |
| Country | Mexico | United States |
| Elevation | 22 ft | 97 ft |
| Rank by connections | #98 | #49 |
MMUN starts with M, the ICAO prefix for Central America and the Caribbean; KIAH starts with K, the prefix for the contiguous United States. How ICAO prefixes are laid out.
The two fields sit at almost the same height, within 75 ft (23 m) of each other.
Airlines flying CUN to IAH
2 airlines appear on this route in the open route dataset, 2 of them still listed as active. Each row gives the IATA code, the ICAO code and the radio callsign, which is what an air traffic controller hears:
| IATA | Airline | ICAO | Callsign | Status |
|---|---|---|---|---|
| CA | Air China | CCA | Air China | Active |
| UA | United Airlines | UAL | United | Active |
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Frequently asked questions
How far is Cancún from Houston?
Cancún International Airport (CUN) and George Bush Intercontinental Airport (IAH) are 1,307 km (812 mi, 706 nautical miles) apart in a straight line.
How long is the flight from CUN to IAH?
A typical nonstop flight between CUN and IAH takes about 2h 10m. Actual times vary with aircraft type, winds and routing.
What direction is IAH from CUN?
George Bush Intercontinental Airport (IAH) lies roughly northwest of Cancún International Airport (CUN).
Which airlines fly CUN to IAH?
2 airlines appear on the CUN-IAH route in the open dataset, including Air China, United Airlines.
Related routes
Other routes from Cancún (CUN):
Other routes from Houston (IAH):
CUN airport code · IAH airport code · Busiest airports worldwide