IAH · Houston, United States
George Bush Intercontinental Airport.
--:--:-- · CDT (UTC-05:00) · 29.9844° N, 95.3414° W
George Bush Intercontinental Airport
Main airport serving Houston, Texas, United States
Verification trail
Source-backed facts for IAH
This section separates stable airport identifiers from live operating data. Codes, coordinates, timezone, elevation, source identifiers, and accepted reference links are retained here; live arrivals, departures, gates, delays, NOTAMs, and airline schedule changes must still be checked with the airport or carrier.
Airport catalog
OurAirports ID 3604; ident KIAH; scheduled service listed.
Cached airports.csv snapshot: 2026-04-25; runways.csv snapshot: 2026-05-21.
Official airport source
fly2houston.com
Used as the preferred live-reference handoff for terminals, gates, alerts, and airport notices.
Open sourceReference summary
George Bush Intercontinental Airport
Airport-shaped reference summary from en.wikipedia.org; summary snapshot 2026-05-20.
Open sourceManual / derived signals
21 source-backed signals
Merged from OurAirports cached airports.csv, OurAirports cached runways.csv, Wikidata airport entity snapshot, airport-shaped Wikipedia summary snapshot; facts generated 2026-05-21.
IATA / ICAO
IAH / KIAH
OurAirports ident
KIAH
GPS / local code
KIAH / IAH
ISO region
US-TX
Scheduled service
Listed in source snapshot
Role
large scheduled-service airport
Official host
fly2houston.com
Reference host
en.wikipedia.org
Wikidata entity
Q744748
Snapshot generated
2026-05-21
Airport lookup keys
Stable codes
Regional keys
Alternate names
Nearby airport codes
Route reference codes
Accepted citation URLs
Last updated May 21, 2026. Stable airport identifiers and timezone facts are content-reviewed; clocks render live in the browser, while weather and time-difference notes are page-snapshot aids rather than permanent airport records.
Live values rendered at Nov 6, 8:23 PM UTC.
What you need to know now
Local airport time
--:--:--CDT · UTC-05:00
Time zone
CDT
America/Chicago · UTC-05:00
Airfield conditions
Live airport weather is temporarily unavailable.
Surface access
25 km
Approximate distance to central Houston.
Airport Snapshot
Country capital
Washington, D.C.
Languages
English
Currency
USD ($)
Country area
9,525,067 km²
Passenger volume
Source note unavailable
Terminals
Not clearly stated
Runways
5 runways
Longest runway
12,001 ft / 3,658 m
Runway surface
concrete (4), asphalt
Opened / operator
1969 · Houston Airport System
Owner / entity
Houston
Hub airlines
Mixed or not clearly stated
Airport role
large scheduled-service airport
Scheduled service
Listed
Fact coverage
21 source-backed signals
George Bush Intercontinental Airport is a large scheduled-service airport for Houston, United States. Houston's built-up core sits roughly 25 km from the terminal area. Operations run on America/Chicago (UTC-05:00, CDT). Live weather is temporarily unavailable. With 3 other indexable airports in its surrounding network, it works well as a reference point for regional flight planning and timezone checks.
George Bush Intercontinental Airport (IAH / KIAH) is at 29.9844° N, 95.3414° W, elevation 97 ft (30 m), serving Houston, United States.
The accepted reference summary is used as supporting context for the airport identity and operating notes; the timed facts here still come from the airport catalog, timezone database, country snapshot, and linked source trail.
Houston is in United States (capital Washington, D.C.); regulated by Federal Aviation Administration (FAA); on America/Chicago (CDT, UTC-05:00); working languages: English; currency: USD ($).
Distance from central Houston: 25 km.
Airport context brief
A compact traveler-facing brief from the airport catalog, country snapshot, route geometry, city anchors, peer airports, and source trail for IAH.
Name and identity cues
Primary airport name
George Bush Intercontinental Airport (IAH / KIAH)
George Bush Intercontinental Airport · Main airport serving Houston, Texas, United States
Known label 1
QHO
Alternate airport-name cue retained for IAH, not a separate indexable duplicate page.
Source identifiers
KIAH · KIAH · IAH · US-TX
fly2houston.com · en.wikipedia.org · scheduled service yes
Source-specific airport notes
Regional role cue
George Bush Intercontinental Airport is the main international airport in Houston, Texas, United States, serving the Greater Houston metropolitan area.
Accepted from the airport reference trail as a role-specific cue for IAH; not treated as a live service guarantee.
Closest mapped city anchors
1. Aldine
aldine · 6.9 km from IAH
United States · America/Chicago · +0h · population 15,869 · city coordinates 29.9324, -95.3802
2. Humble
humble · 7.8 km from IAH
United States · America/Chicago · +0h · population 15,665 · city coordinates 29.9988, -95.2622
3. Spring
spring · 13 km from IAH
United States · America/Chicago · +0h · population 54,298 · city coordinates 30.0799, -95.4172
4. Atascocita
atascocita · 16 km from IAH
United States · America/Chicago · +0h · population 65,844 · city coordinates 29.9988, -95.1766
5. New Caney
new-caney · 23 km from IAH
United States · America/Chicago · +0h · population 20,000 · city coordinates 30.1552, -95.2113
6. The Woodlands
the-woodlands · 24 km from IAH
United States · America/Chicago · +0h · population 93,847 · city coordinates 30.1580, -95.4894
Airport alternatives in the retained graph
1. HOU KHOU
William P. Hobby Airport · Houston
38 km from IAH · America/Chicago · +0h · elevation 46 ft (14 m) · airport coordinates 29.6453, -95.2768
2. AUS KAUS
Austin Bergstrom International Airport · Austin
225 km from IAH · America/Chicago · +0h · elevation 542 ft (165 m) · airport coordinates 30.1975, -97.6620
3. SAT KSAT
San Antonio International Airport · San Antonio
306 km from IAH · America/Chicago · +0h · elevation 809 ft (247 m) · airport coordinates 29.5337, -98.4698
Route-time reference set
1. IAH-AUS
Austin · 225 km · 1h 7m
America/Chicago · +0h from IAH; reference route only, not a live schedule.
2. IAH-SAT
San Antonio · 306 km · 1h 13m
America/Chicago · +0h from IAH; reference route only, not a live schedule.
Runway source evidence
Published runway count
5 runways
Longest runway 12,001 ft / 3,658 m. 5 lighted runways in the runway snapshot.
Runway surface mix
concrete (4), asphalt
Surface labels are normalized from the OurAirports runway rows for IAH.
Runway identifiers
08L/26R · 08R/26L · 09/27 · 15L/33R · 15R/33L
Identifier pairs are retained as airport-specific runway cues, not live operational availability claims.
Same-country airport context
1. HOU KHOU
William P. Hobby Airport · Houston · 38 km from IAH
large airport · America/Chicago · united-states · 46 ft (14 m) · 29.6453, -95.2768
2. AUS KAUS
Austin Bergstrom International Airport · Austin · 225 km from IAH
large airport · America/Chicago · united-states · 542 ft (165 m) · 30.1975, -97.6620
3. SAT KSAT
San Antonio International Airport · San Antonio · 306 km from IAH
large airport · America/Chicago · united-states · 809 ft (247 m) · 29.5337, -98.4698
4. DAL KDAL
Dallas Love Field · Dallas · 349 km from IAH
large airport · America/Chicago · united-states · 487 ft (148 m) · 32.8448, -96.8477
5. DFW KDFW
Dallas Fort Worth International Airport · Dallas-Fort Worth · 362 km from IAH
large airport · America/Chicago · united-states · 607 ft (185 m) · 32.8968, -97.0380
6. MSY KMSY
Louis Armstrong New Orleans International Airport · New Orleans · 489 km from IAH
large airport · America/Chicago · united-states · 4 ft (1 m) · 29.9934, -90.2647
Country and authority
IAH sits in United States (United States of America), whose capital is Washington, D.C.. Federal Aviation Administration (FAA) is the national civil-aviation authority we name for regulator context. Country context: Americas, North America.
Traveler context
Common country-language signals: English. Currency context: USD ($). IAH is listed with scheduled service in the airport source snapshot.
Names and local labels
IAH is also associated in the airport facts snapshot with QHO. These labels help catch alternate airport names without creating separate duplicate airport pages.
Reference description
Main airport serving Houston, Texas, United States. This description is used only as identity context; live flight status, terminal assignment, and airport alerts still belong to the official airport or airline source.
Source-specific cues
Regional role cue: George Bush Intercontinental Airport is the main international airport in Houston, Texas, United States, serving the Greater Houston metropolitan area.
Entity fingerprint
Wikidata airport entity: Q744748 · George Bush Intercontinental Airport. Owner / owning body: Houston. Administrative area: Houston. Named after: Houston · George H. W. Bush
Field and clock profile
George Bush Intercontinental Airport is a near sea-level field at 97 ft (30 m), positioned at 29.9844° N, 95.3414° W in the Northern subtropics. The runway snapshot lists 5 runways and a longest runway of 12,001 ft / 3,658 m. The airport clock uses America/Chicago (CDT, UTC-05:00), so cross-date arrivals should be checked against this zone rather than the airline origin city.
City and airport alternatives
Aldine is the closest retained city-time anchor at 6.9 km. HOU Houston is the closest retained airport alternative at 38 km.
Country airport peers
IAH is compared with HOU Houston at 38 km, AUS Austin at 225 km, SAT San Antonio at 306 km, DAL Dallas at 349 km, DFW Dallas-Fort Worth at 362 km inside the retained United States airport set, which is useful when backup airports share the same country context but differ by city, route network, and clock behavior.
Route geometry
IAH-AUS Austin: 225 km, about 1h 7m, +0h. IAH-SAT San Antonio: 306 km, about 1h 13m, +0h. These are distance and timezone references, not live flight availability claims.
Source trail
OurAirports ident KIAH backs the stable code, coordinate, elevation, and timezone record. fly2houston.com is attached as the official airport website. en.wikipedia.org is used only as supporting reference context. Snapshot date: 2026-05-21.
Operational Profile
Traffic profile
Reference airport
Airline role
Mixed commercial service
Terminal footprint
See operational notes
Runway footprint
5 runways · longest 12,001 ft / 3,658 m
Runway identifiers
08L/26R, 08R/26L, 09/27, 15L/33R
OurAirports classifies IAH as a large airport with scheduled service, which gives it stronger planning value than a code-only lookup.
IAH (KIAH) is a near sea-level field at 97 ft (30 m) in the subtropics, kept in the curated set for its route, timezone, and market-planning value.
IAH sits in a broader regional network with 3 nearby curated alternatives, so airline choice and connection strategy are part of the planning story here.
IAH's runway record lists 5 runways, with the longest runway at 12,001 ft / 3,658 m and source surfaces recorded as concrete (4), asphalt.
Houston Airport System is the clearest operator or management signal we currently have on file for IAH.
These operational notes prefer the structured airport facts snapshot, then fall back to the accepted airport reference at fly2houston.com, then blend that with local timezone, route, and city-access data already on this page.
Decision matrix for IAH
These are the specific situations where this airport page earns its keep: time-zone conversion, city transfer planning, nearby airport backup logic, and source-confidence checks before acting.
When the clock matters
IAH uses America/Chicago (CDT, UTC-05:00). Use this before overnight arrivals, cross-date departures, and same-day connections.
When surface access matters
George Bush Intercontinental Airport is about 25 km from central Houston; build that transfer into arrival and check-in planning.
When alternates matter
HOU Houston is the closest retained alternate at 38 km, time difference +0h.
When source checks matter
fly2houston.com is listed as the official airport website in the airport facts snapshot; live schedules, gates, routes, terminals, and NOTAM-sensitive operations still need official airport or airline verification.
How this airport compares nearby
These comparisons place IAH inside the retained airport graph by country, timezone, elevation, and coordinate neighbors. They are deterministic dataset facts, not generated flight claims.
Country-rank position
IAH ranks #36 in the curated United States airport set when large airports are listed before medium airports, then sorted by IATA code. The retained country set has 94 airports.
Same-zone airport cohort
IAH shares America/Chicago with AUS Austin US · BHM Birmingham US · BNA Nashville US · DAL Dallas US · DFW Dallas-Fort Worth US · DSM Des Moines US. This helps separate same-clock airports by city, country, code, and geography.
Elevation-neighbor cohort
IAH is 97 ft (30 m). Closest elevation peers in the retained airport set include DVO 96 ft (29 m) (1 ft delta) · MCO 96 ft (29 m) (1 ft delta) · PKX 98 ft (30 m) (1 ft delta) · KHI 100 ft (30 m) (3 ft delta) · RKT 102 ft (31 m) (5 ft delta).
Coordinate-neighbor check
IAH's nearest retained coordinate neighbors are HOU 38 km +0h · AUS 225 km +0h · SAT 306 km +0h.
Flight Path Arc
Great-circle route between airports with animated plane. Pick a route.
Arriving From / Departing To
| Destination | Route code | Distance | Estimated window | Time difference | Destination clock |
|---|---|---|---|---|---|
| Austin | AUS | 225 km | 1h 7m | +0h | --:--:-- |
| San Antonio | SAT | 306 km | 1h 13m | +0h | --:--:-- |
IAH to AUS
Austin
Distance 225 km; estimated travel window 1h 7m; destination zone America/Chicago is +0h from IAH. Use the live destination clock on this page as a cross-timezone planning cue, not as a live flight schedule.
IAH to SAT
San Antonio
Distance 306 km; estimated travel window 1h 13m; destination zone America/Chicago is +0h from IAH. Use the live destination clock on this page as a cross-timezone planning cue, not as a live flight schedule.
Airport Details
Timezone
Ground Transport and Nearby Context
The airport sits in the normal outer-ring range for a major metro gateway, so rail, shuttle coach, and ride-hail all matter when you judge the fastest arrival.
Houston is the nearest mapped city anchor in the current dataset, which makes it the cleanest companion page when travelers want to switch from airport timing into local city timing.
George Bush Intercontinental Airport has 3 nearby indexed airport alternatives, which makes backup departures and diversion logic part of real planning instead of a theoretical edge case.
Nearby city time anchors
Airport pages are most useful when they bridge into real city clocks. These city anchors are ranked by distance from IAH, then shown with their own timezone, local time, and time difference from the airport clock.
Aldine
aldine · 6.9 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
Humble
humble · 7.8 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
Spring
spring · 13 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
Atascocita
atascocita · 16 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
New Caney
new-caney · 23 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
The Woodlands
the-woodlands · 24 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
Houston
houston · 25 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
Cloverleaf
cloverleaf · 28 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
West University Place
west-university-place · 31 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
Channelview
channelview · 32 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
Bellaire
bellaire · 33 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
Cypress
cypress · 34 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
Airlines and Network Role
George Bush Intercontinental Airport does not have a long carrier list in the current source trail, so this page emphasizes the durable pieces travelers can safely use here: local time, field identifiers, nearby airports, and timezone differences.
The route timing references show the first cross-timezone planning burden after this airport: Austin (AUS), San Antonio (SAT). Treat them as distance and clock cues, then verify flight availability with the carrier.
Planning checkpoints
- Traffic signal: not clearly stated in the source trail.
- Terminal footprint: not clearly stated in the source trail.
- Runway footprint: 5 runways; longest runway 12,001 ft / 3,658 m; identifiers 08L/26R, 08R/26L, 09/27.
- Runway surfaces: concrete (4), asphalt; 5 lighted runways in the source snapshot.
- Operator / management: Houston Airport System.
- Opened / inaugurated: 1969.
- Network role: mixed or not clearly stated in the source trail.
Nearby Airports
Nearby airports are ranked by coordinate distance from IAH. The time difference column is computed from IANA zones against the page snapshot, while the local clocks update in the browser.
William P. Hobby AirportHOU
Houston · large airport
- Distance
- 38 km
- Local time
- --:--:--
- Time diff
- +0h
- Elevation
- 46 ft (14 m)
Compare against HOU when route choice, backup departures, or arrival-side local time matters.
Austin Bergstrom International AirportAUS
Austin · large airport
- Distance
- 225 km
- Local time
- --:--:--
- Time diff
- +0h
- Elevation
- 542 ft (165 m)
Compare against AUS when route choice, backup departures, or arrival-side local time matters.
San Antonio International AirportSAT
San Antonio · large airport
- Distance
- 306 km
- Local time
- --:--:--
- Time diff
- +0h
- Elevation
- 809 ft (247 m)
Compare against SAT when route choice, backup departures, or arrival-side local time matters.
Companion Planning Tools
Questions
FAQ
What timezone is George Bush Intercontinental Airport (IAH) in?▾
George Bush Intercontinental Airport is in the America/Chicago timezone (UTC-05:00, CDT).
What are the codes for George Bush Intercontinental Airport?▾
George Bush Intercontinental Airport uses IATA code IAH and ICAO code KIAH.
Where is George Bush Intercontinental Airport located?▾
George Bush Intercontinental Airport is located in Houston, United States at coordinates 29.9844° N, 95.3414° W, with an elevation of 97 ft (30 m) (near sea-level field in the subtropics).
How far is George Bush Intercontinental Airport from central Houston?▾
George Bush Intercontinental Airport sits roughly 25 km from the nearest mapped city center for Houston.
Which route reference is most useful from IAH?▾
Austin (AUS) is one of the closest route references on this page, with an estimated travel window of 1h 7m, destination timezone America/Chicago, and a +0h difference from IAH.
Which authority regulates IAH?▾
George Bush Intercontinental Airport sits inside United States, where civil aviation oversight is led by the Federal Aviation Administration (FAA).
What other airports in United States are close peers to IAH?▾
IAH's curated peers in United States on this site include HOU Houston, AUS Austin, SAT San Antonio, plus 3 more.
How many runways does George Bush Intercontinental Airport have?▾
George Bush Intercontinental Airport's source-backed operational summary lists 5 runways, with the longest runway recorded at 12,001 ft / 3,658 m; identifiers include 08L/26R, 08R/26L, 09/27.