United · IAH
What gates does United use at Houston Bush Airport (IAH)?
United uses 93 gates at Houston Bush Airport (IAH), mainly in Terminal C’s Concourse C, Terminal B’s Concourse B, Terminal E’s Concourse E, Terminal A’s Concourse A and Terminal D’s Concourse D, with about 477 departures a day (Oct 1–21, 2026). It is the main airline at 85 of them. By departures: Terminal C’s Concourse C (36% of its departures), Terminal B’s Concourse B (28%), Terminal E’s Concourse E (23%), Terminal A’s Concourse A (6%) and Terminal D’s Concourse D (5%).
Based on 19,081 United flights at IAH, Oct 1–21, 2026 (full days)

How United compares at IAH
- 1st of the 26 airlines with regular flights at IAH by departures: 81% of them (477 departures a day of about 593 a day).
- 78% of the seats leaving IAH: about 59,797 a day, 125 per departure.
- 4.5 turns a day at each gate it turns planes at, 11% more than the airport’s 4.0.
- Median turn at the gate: 87 min, the same as the airport median (85 min).
- 44% of its departures are regional jets, against 38% across IAH.
- At IAH, United’s 477 departures a day compare with American’s 35 and Delta’s 24. United has 85 gates of its own; American 7; Delta 5.
Where United flies nonstop from IAH
179 nonstop destinations. Nonstop routes seen Oct 1–21, 2026; a few days of data can miss weekly or seasonal routes.
| Destination | Flights | Other airlines on this route |
|---|---|---|
| Chicago O'HareORD | 12/day | American (6/day), Frontier (6-7/week) |
| DenverDEN | 11/day | Frontier (2-3/day) |
| San FranciscoSFO | 11/day | none seen |
| NewarkEWR | 10/day | none seen |
| Los AngelesLAX | 9/day | Delta (1-2/day), American (1-2/day), Frontier (1/day) |
| New OrleansMSY | 8/day | JetBlue (under 1/week) |
| AustinAUS | 8/day | American (under 1/week), Delta (under 1/week) |
| San AntonioSAT | 8/day | American (under 1/week) |
| Dallas/Fort WorthDFW | 7-8/day | American (10/day), JetBlue (under 1/week) |
| New York LaGuardiaLGA | 7-8/day | Delta (3-4/day) |
| Oklahoma CityOKC | 7-8/day | none seen |
| Baton RougeBTR | 7/day | none seen |
| Corpus ChristiCRP | 6-7/day | none seen |
| Midland, TXMAF | 6-7/day | none seen |
| Las VegasLAS | 6-7/day | Frontier (2-3/day) |
| McAllenMFE | 6-7/day | none seen |
| Washington NationalDCA | 6-7/day | American (2-3/day) |
| Washington DullesIAD | 6-7/day | none seen |
| OrlandoMCO | 6/day | Frontier (2-3/day) |
| Lafayette, LALFT | 6/day | none seen |
| Fort LauderdaleFLL | 6/day | JetBlue (3/day), Frontier (6-7/week) |
| MonterreyMTY | 6/day | Viva Aerobus (1-2/day) |
| PhoenixPHX | 5-6/day | American (2-3/day), Frontier (6-7/week) |
| El PasoELP | 5-6/day | none seen |
| Mexico CityMEX | 5-6/day | Aeroméxico (1-2/day), Volaris (6-7/week), Viva Aerobus (6-7/week) |
| ShreveportSHV | 5/day | none seen |
| Northwest ArkansasXNA | 5/day | none seen |
| CancúnCUN | 5/day | none seen |
| Little RockLIT | 5/day | none seen |
| BirminghamBHM | 5/day | none seen |
| San DiegoSAN | 5/day | none seen |
| BostonBOS | 4-5/day | JetBlue (1-2/day) |
| NashvilleBNA | 4-5/day | none seen |
| HuntsvilleHSV | 4-5/day | none seen |
| TulsaTUL | 4-5/day | none seen |
| AtlantaATL | 4-5/day | Delta (7-8/day), Frontier (2-3/day) |
| MemphisMEM | 4-5/day | none seen |
| WichitaICT | 4-5/day | none seen |
| LubbockLBB | 4-5/day | none seen |
| Jackson, MSJAN | 4-5/day | none seen |
| IndianapolisIND | 4/day | none seen |
| SeattleSEA | 4/day | Alaska (2/day) |
| St. LouisSTL | 4/day | none seen |
| AlbuquerqueABQ | 4/day | none seen |
| Mobile, ALMOB | 3-4/day | none seen |
| Springfield, MOSGF | 3-4/day | none seen |
| Brownsville, TXBRO | 3-4/day | none seen |
| JacksonvilleJAX | 3-4/day | none seen |
| Kansas CityMCI | 3-4/day | none seen |
| Harlingen, TXHRL | 3-4/day | none seen |
| Panama City BeachECP | 3-4/day | none seen |
| PensacolaPNS | 3-4/day | none seen |
| Gulfport/BiloxiGPT | 3-4/day | none seen |
| LouisvilleSDF | 3/day | none seen |
| Minneapolis/St. PaulMSP | 3/day | Delta (3-4/day) |
| KnoxvilleTYS | 3/day | none seen |
| León/BajíoBJX | 3/day | Viva Aerobus (1-2/week) |
| MiamiMIA | 3/day | American (4/day), Frontier (3-4/week) |
| San SalvadorSAL | 3/day | Avianca El Salvador (1-2/day), Volaris El Salvador (2-3/week) |
| TampaTPA | 3/day | Frontier (1-2/week) |
| GuadalajaraGDL | 3/day | Volaris (1/day) |
| LaredoLRD | 3/day | none seen |
| Orange CountySNA | 3/day | none seen |
| PittsburghPIT | 3/day | none seen |
| QuerétaroQRO | 3/day | Volaris (3/week), Viva Aerobus (1-2/week) |
| Salt Lake CitySLC | 3/day | Delta (2-3/day) |
| PhiladelphiaPHL | 2-3/day | American (3/day) |
| Guatemala CityGUA | 2-3/day | none seen |
| Raleigh/DurhamRDU | 2-3/day | Frontier (4-5/week) |
| CincinnatiCVG | 2-3/day | none seen |
| ClevelandCLE | 2-3/day | none seen |
| Columbus, OHCMH | 2-3/day | none seen |
| DetroitDTW | 2-3/day | Delta (3-4/day), Frontier (6-7/week) |
| AmarilloAMA | 2-3/day | none seen |
| CharlotteCLT | 2-3/day | American (4-5/day), Frontier (6/week) |
| Lake CharlesLCH | 2-3/day | none seen |
| Portland, ORPDX | 2-3/day | Alaska (1/day) |
| MilwaukeeMKE | 2-3/day | none seen |
| BaltimoreBWI | 2-3/day | Frontier (1/day) |
| BogotáBOG | 2/day | none seen |
| Colorado SpringsCOS | 2/day | none seen |
| San José, Costa RicaSJO | 2/day | none seen |
| TucsonTUS | 2/day | American (under 1/week) |
| AguascalientesAGU | 2/day | none seen |
| Charleston, SCCHS | 2/day | none seen |
| ChattanoogaCHA | 2/day | none seen |
| Des MoinesDSM | 2/day | none seen |
| Los CabosSJD | 2/day | none seen |
| MontgomeryMGM | 2/day | none seen |
| OmahaOMA | 2/day | none seen |
| San JuanSJU | 2/day | none seen |
| San Luis PotosíSLP | 2/day | Volaris (3-4/week) |
| SavannahSAV | 2/day | none seen |
| TorontoYYZ | 2/day | Air Canada Rouge (1/day), Air Canada (6-7/week) |
| Fort MyersRSW | 2/day | none seen |
| London HeathrowLHR | 2/day | British Airways (2/day), American (under 1/week) |
| Panama CityPTY | 2/day | none seen |
| Alexandria, LAAEX | 1-2/day | none seen |
| Greenville/SpartanburgGSP | 1-2/day | none seen |
| RichmondRIC | 1-2/day | none seen |
| Hattiesburg, MSPIB | 1-2/day | none seen |
| SacramentoSMF | 1-2/day | none seen |
| Belize CityBZE | 1-2/day | none seen |
| San Pedro SulaSAP | 1-2/day | none seen |
| Victoria, TXVCT | 1-2/day | none seen |
| Meridian, MSMEI | 1-2/day | none seen |
| OaxacaOAX | 1-2/day | none seen |
| QuitoUIO | 1-2/day | none seen |
| Hobbs, NMHOB | 1/day | none seen |
| Puerto VallartaPVR | 1/day | none seen |
| Rio de JaneiroGIG | 1/day | none seen |
| Abilene, TXABI | 1/day | none seen |
| AmsterdamAMS | 1/day | KLM (5-6/week) |
| AspenASE | 1/day | none seen |
| Buenos AiresEZE | 1/day | none seen |
| CalgaryYYC | 1/day | WestJet (1-2/day) |
| ComayaguaXPL | 1/day | none seen |
| CozumelCZM | 1/day | none seen |
| EdmontonYEG | 1/day | none seen |
| FrankfurtFRA | 1/day | Lufthansa (1/day) |
| Grand RapidsGRR | 1/day | none seen |
| HartfordBDL | 1/day | none seen |
| HonoluluHNL | 1/day | none seen |
| Liberia, Costa RicaLIR | 1/day | none seen |
| LimaLIM | 1/day | none seen |
| ManaguaMGA | 1/day | none seen |
| MoreliaMLM | 1/day | Volaris (3-4/week) |
| MunichMUC | 1/day | none seen |
| MéridaMID | 1/day | none seen |
| NorfolkORF | 1/day | none seen |
| Paducah, KYPAH | 1/day | none seen |
| Port of SpainPOS | 1/day | none seen |
| PueblaPBC | 1/day | Volaris (3-4/week) |
| São PauloGRU | 1/day | none seen |
| TampicoTAM | 1/day | none seen |
| Tokyo NaritaNRT | 1/day | ZIPAIR (4/week) |
| VancouverYVR | 1/day | Air Canada (1/day) |
| VeracruzVER | 1/day | none seen |
| West Palm BeachDJT | 1/day | none seen |
| MedellínMDE | 6-7/week | none seen |
| Salina, KSSLN | 6-7/week | none seen |
| Natchez, MSHEZ | 6/week | none seen |
| Ontario, CAONT | 6/week | Frontier (under 1/week) |
| Palm SpringsPSP | 6/week | none seen |
| HoustonIAH | 5-6/week | American (under 1/week) |
| NassauNAS | 4-5/week | none seen |
| RoatánRTB | 4-5/week | none seen |
| GeorgetownGEO | 4/week | none seen |
| TulumTQO | 3-4/week | none seen |
| Puerto EscondidoPXM | 3/week | none seen |
| Traverse CityTVC | 2-3/week | none seen |
| Grand CaymanGCM | 1-2/week | none seen |
| Montego BayMBJ | 1-2/week | none seen |
| Wichita McConnellIAB | 1-2/week | none seen |
| AcapulcoACA | 1/week | none seen |
| ArubaAUA | 1/week | none seen |
| BonaireBON | 1/week | none seen |
| BozemanBZN | 1/week | none seen |
| College StationCLL | 1/week | none seen |
| Ixtapa/ZihuatanejoZIH | 1/week | none seen |
| Minot, NDMOT | 1/week | none seen |
| Portland, MEPWM | 1/week | none seen |
| Punta CanaPUJ | 1/week | none seen |
| SarasotaSRQ | 1/week | none seen |
| St. ThomasSTT | 1/week | none seen |
| Cleveland Burke LakefrontBKL | under 1/week | none seen |
| Macon, GAMCN | under 1/week | none seen |
| Melbourne, FLMLB | under 1/week | none seen |
| Stillwater, OKSWO | under 1/week | none seen |
| Allentown, PAABE | under 1/week | none seen |
| Columbia, MOCOU | under 1/week | American (under 1/week) |
| Dallas Love FieldDAL | under 1/week | none seen |
| Dothan, ALDHN | under 1/week | none seen |
| GuayaquilGYE | under 1/week | none seen |
| Lake City, FLLCQ | under 1/week | none seen |
| RockfordRFD | under 1/week | none seen |
| Waco, TXACT | under 1/week | none seen |
| WinnipegYWG | under 1/week | none seen |
| Winston SalemINT | under 1/week | none seen |
When United flies at IAH
- First departure of the day usually around 4:55 am, the last around 12:10 am (after midnight).
- Busiest hour: 6:00 pm–7:00 pm, with about 92 of its arrivals and departures.
- About 48 of its aircraft spend the night at IAH (arrive in the evening, leave the next morning).
United’s aircraft at IAH
| Aircraft | Departures | Seats each |
|---|---|---|
| E175 | 114/day | 76 |
| 737 MAX 9 | 60/day | 179 |
| 737-900 | 56/day | 179 |
| E145 | 54/day | 50 |
| 737-800 | 42/day | 166 |
| 737 MAX 8 | 31/day | 166 |
| CRJ-200 | 22/day | 50 |
| 737-700 | 21/day | 126 |
| CRJ-700 | 21/day | 70 |
| A319 | 19/day | 126 |
| A321neo | 14/day | 200 |
| A320 | 8-9/day | 150 |
About 59,797 seats leave IAH on United each day. Of the gates it holds, 6 have taken a wide-body, 7 have taken a 757/767, 42 have taken a narrow-body and 30 only regional jets. Seats are capacity from each airline’s seat map per aircraft type, not passengers.
United’s gates at IAH
Terminal A, Concourse A A1, A2, A7, A8, A9
Terminal C, Concourse C C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C14, C15, C30, C31, C32, C33, C34, C35, C36, C37, C39, C40, C41, C42, C43, C44, C45
Terminal D, Concourse D D1, D2, D4, D6
Terminal E, Concourse E E1, E2, E3, E4, E5, E7, E8, E9, E10, E11, E12, E14, E15, E16, E17, E18, E19, E20, E21, E22, E23, E24
Terminal B, Concourse B B41, B42, B43, B44, B45, B46, B47, B48, B50, B51, B52, B53, B54, B55, B56, B57, B60, B61, B62, B63, B64, B65, B66, B67, B68
Held = the airline flying the gate most (regional partners count as their brand).
Gates it shares
| Gate | Who holds it | Other airlines there |
|---|---|---|
| CG1 | Too few flights yet | – |
| CG2 | Too few flights yet | – |
| HS2A | Too few flights yet | – |
| D3 | Common use | ITA Airways, Air Canada, Air Canada Rouge |
| D5 | Held by Qatar Airways | Qatar Airways |
| D5B | Too few flights yet | – |
| D7 | Too few flights yet | – |
| D9 | Too few flights yet | Frontier |
| EBOX | Too few flights yet | – |
About this data
Based on 19 full days of flights at IAH, Oct 1–21, 2026. Gates of its own are the gates where United flies the most (regional partners count as their brand). Every one of its departures has a seat count.
United at IAH: questions
What terminal is United at Houston Bush Airport (IAH)?
United flies from Terminal C’s Concourse C, Terminal B’s Concourse B, Terminal E’s Concourse E, Terminal A’s Concourse A and Terminal D’s Concourse D at Houston Bush Airport (IAH). By departures: Terminal C’s Concourse C (36% of its departures), Terminal B’s Concourse B (28%), Terminal E’s Concourse E (23%), Terminal A’s Concourse A (6%) and Terminal D’s Concourse D (5%).
What gates does United use at IAH?
United has 85 gates at IAH (the airline flying each one most): A1, A2, A7, A8, A9, B41, B42, B43, B44, B45, B46, B47 and 73 more. It used 93 gates in all over Oct 1–21, 2026.
How many flights a day does United have from IAH?
About 477 departures a day and 59,797 seats, averaged over Oct 1–21, 2026.
Where does United fly nonstop from IAH?
United flies nonstop to 179 cities from IAH, the most often to Chicago O'Hare, Denver, San Francisco, Newark, Los Angeles and New Orleans. Routes seen Oct 1–21, 2026.
When is United’s first flight out of IAH?
Usually around 4:55 am; the last leaves around 12:10 am (after midnight).
Does United share gates at IAH?
Yes: 9 gates it uses are shared or used most by another airline, e.g. gate CG1.
Other airlines at IAH
All of IAH’s gates by airline · United at every airport we map · Nonstop routes from IAH