United · IAD
What gates does United use at Washington Dulles Airport (IAD)?
United uses 88 gates at Washington Dulles Airport (IAD), mainly in Concourses D, A, C and Z, with about 264 departures a day (Oct 3–21, 2026). It is the main airline at 80 of them. By departures: Concourses D (36% of its departures), A (33%), C (26%) and Z (4%).
Based on 10,366 United flights at IAD, Oct 3–21, 2026 (full days)
How United compares at IAD
- 1st of the 46 airlines with regular flights at IAD by departures: 74% of them (264 departures a day of about 355 a day).
- 77% of the seats leaving IAD: about 33,567 a day, 127 per departure.
- 2.6 turns a day at each gate it turns planes at, 11% more than the airport’s 2.4.
- Median turn at the gate: 81 min, the same as the airport median (83 min).
- 49% of its departures are regional jets, against 43% across IAD.
- At IAD, United’s 264 departures a day compare with Delta’s 17 and American’s 9. United has 80 gates of its own; Delta 4; American 3.
Where United flies nonstop from IAD
122 nonstop destinations. Nonstop routes seen Oct 3–21, 2026; a few days of data can miss weekly or seasonal routes.
| Destination | Flights | Other airlines on this route |
|---|---|---|
| San FranciscoSFO | 9/day | none seen |
| DenverDEN | 7-8/day | none seen |
| Chicago O'HareORD | 7-8/day | Delta (under 1/week) |
| Los AngelesLAX | 6-7/day | American (6/week) |
| HoustonIAH | 6/day | none seen |
| NewarkEWR | 5-6/day | Delta (under 1/week), Sun Country (under 1/week), Air Canada (under 1/week) |
| OrlandoMCO | 5/day | Frontier (6-7/week), Sun Country (under 1/week) |
| BostonBOS | 4-5/day | none seen |
| Albany, NYALB | 4/day | none seen |
| ClevelandCLE | 4/day | none seen |
| Columbus, OHCMH | 4/day | Air Canada (under 1/week), Delta (under 1/week) |
| New York LaGuardiaLGA | 4/day | Delta (under 1/week) |
| Portland, MEPWM | 4/day | K9 (under 1/week) |
| HartfordBDL | 4/day | none seen |
| KnoxvilleTYS | 4/day | Allegiant (1-2/week) |
| OttawaYOW | 4/day | Air Canada (under 1/week) |
| Raleigh/DurhamRDU | 4/day | Delta (under 1/week), K9 (under 1/week) |
| NorfolkORF | 4/day | Air Canada (under 1/week) |
| Burlington, VTBTV | 3-4/day | none seen |
| PhiladelphiaPHL | 3-4/day | Air Canada (under 1/week) |
| Rochester, NYROC | 3-4/day | none seen |
| State CollegeSCE | 3-4/day | none seen |
| SyracuseSYR | 3-4/day | none seen |
| TorontoYYZ | 3-4/day | Air Canada (1-2/day), Porter (under 1/week) |
| IndianapolisIND | 3-4/day | none seen |
| PittsburghPIT | 3-4/day | none seen |
| AtlantaATL | 3-4/day | Delta (6-7/day), Frontier (2/day) |
| RichmondRIC | 3-4/day | none seen |
| Charleston, SCCHS | 3-4/day | none seen |
| CharlotteCLT | 3-4/day | American (5/day) |
| DetroitDTW | 3-4/day | Delta (3/day), Air Canada (under 1/week) |
| ProvidencePVD | 3-4/day | none seen |
| BuffaloBUF | 3-4/day | none seen |
| CharlottesvilleCHO | 3-4/day | Delta (1/week) |
| CincinnatiCVG | 3/day | Sun Country (under 1/week) |
| TampaTPA | 3/day | Frontier (3/week) |
| AustinAUS | 3/day | none seen |
| JacksonvilleJAX | 3/day | none seen |
| Las VegasLAS | 3/day | Frontier (1/day) |
| NashvilleBNA | 3/day | none seen |
| IthacaITH | 2-3/day | none seen |
| LouisvilleSDF | 2-3/day | none seen |
| RoanokeROA | 2-3/day | none seen |
| San DiegoSAN | 2-3/day | Alaska (6-7/week) |
| SavannahSAV | 2-3/day | none seen |
| Dallas/Fort WorthDFW | 2-3/day | American (3/day), Frontier (6-7/week) |
| HuntsvilleHSV | 2-3/day | none seen |
| DaytonDAY | 2-3/day | none seen |
| Manchester, NHMHT | 2-3/day | none seen |
| GreensboroGSO | 2-3/day | none seen |
| Greenville/SpartanburgGSP | 2/day | none seen |
| RomeFCO | 2/day | ITA Airways (3-4/week) |
| Columbia, SCCAE | 2/day | none seen |
| DublinDUB | 2/day | Aer Lingus (2/day) |
| FrankfurtFRA | 2/day | Lufthansa (2/day) |
| Kansas CityMCI | 2/day | none seen |
| MontrealYUL | 2/day | Air Canada (2/day) |
| ParisCDG | 2/day | Air France (1-2/day) |
| PhoenixPHX | 2/day | none seen |
| San AntonioSAT | 2/day | Delta (under 1/week) |
| SeattleSEA | 2/day | Alaska (2-3/day), Delta (6-7/week) |
| London HeathrowLHR | 2/day | British Airways (3/day), Virgin Atlantic (1/day) |
| St. LouisSTL | 1-2/day | none seen |
| Wilkes-Barre/Scranton, PAAVP | 1-2/day | none seen |
| CancúnCUN | 1-2/day | none seen |
| HarrisburgMDT | 1-2/day | none seen |
| New OrleansMSY | 1-2/day | Delta (under 1/week) |
| LisbonLIS | 1/day | TAP (2/day) |
| South BendSBN | 1/day | Breeze (1-2/week) |
| ZurichZRH | 1/day | SWISS (1/day) |
| AlbuquerqueABQ | 1/day | none seen |
| AthensATH | 1/day | none seen |
| BarcelonaBCN | 1/day | none seen |
| Clarksburg, WVCKB | 1/day | none seen |
| EdinburghEDI | 1/day | none seen |
| Fort LauderdaleFLL | 1/day | Frontier (1/day), Air Canada (under 1/week) |
| Fort MyersRSW | 1/day | none seen |
| LynchburgLYH | 1/day | none seen |
| MadridMAD | 1/day | Iberia (6-7/week) |
| Mexico CityMEX | 1/day | Aeroméxico (1/day) |
| MiamiMIA | 1/day | Sun Country (under 1/week), Delta (under 1/week) |
| Minneapolis/St. PaulMSP | 1/day | Delta (2-3/day), Sun Country (2-3/week) |
| MunichMUC | 1/day | Lufthansa (1/day) |
| Myrtle BeachMYR | 1/day | none seen |
| Orange CountySNA | 1/day | none seen |
| Portland, ORPDX | 1/day | none seen |
| Punta CanaPUJ | 1/day | none seen |
| SacramentoSMF | 1/day | none seen |
| Salt Lake CitySLC | 1/day | Delta (1/day) |
| San JuanSJU | 1/day | none seen |
| São PauloGRU | 1/day | none seen |
| Tokyo HanedaHND | 1/day | ANA (1/day) |
| West Palm BeachDJT | 1/day | none seen |
| BrusselsBRU | 6-7/week | Brussels Airlines (under 1/week) |
| Mobile, ALMOB | 6-7/week | none seen |
| Morgantown, WVMGW | 6-7/week | none seen |
| Owensboro, KYOWB | 6-7/week | none seen |
| AmsterdamAMS | 6-7/week | KLM (6/week) |
| AccraACC | 4-5/week | none seen |
| Johnstown, PAJST | 4-5/week | none seen |
| LagosLOS | 4/week | none seen |
| VeniceVCE | 4/week | none seen |
| Cape TownCPT | 3/week | none seen |
| GenevaGVA | 3/week | none seen |
| Melbourne, FLMLB | 1-2/week | none seen |
| Washington DullesIAD | 1-2/week | Southern Airways Express (under 1/week) |
| Washington NationalDCA | 1-2/week | American (1-2/week), Delta (under 1/week), Alaska (under 1/week) |
| ArubaAUA | 1/week | none seen |
| HonoluluHNL | 1/week | none seen |
| ProvidencialesPLS | 1/week | none seen |
| Quebec CityYQB | 1/week | none seen |
| St. ThomasSTT | 1/week | none seen |
| Bloomington, INBMG | under 1/week | none seen |
| Cherry PointNKZ | under 1/week | none seen |
| Des MoinesDSM | under 1/week | none seen |
| Lake Charles ChennaultCWF | under 1/week | none seen |
| Monroe, LAMLU | under 1/week | none seen |
| RockfordRFD | under 1/week | none seen |
| Santo DomingoSDQ | under 1/week | none seen |
| ShannonSNN | under 1/week | none seen |
| St. John'sYYT | under 1/week | none seen |
| Winston SalemINT | under 1/week | none seen |
When United flies at IAD
- First departure of the day usually around 6:00 am, the last around 12:55 am (after midnight).
- Busiest hour: 5:00 pm–6:00 pm, with about 61 of its arrivals and departures.
- About 33 of its aircraft spend the night at IAD (arrive in the evening, leave the next morning).
United’s aircraft at IAD
| Aircraft | Departures | Seats each |
|---|---|---|
| E175 | 52/day | 76 |
| E145 | 42/day | 50 |
| 737 MAX 9 | 35/day | 179 |
| CRJ-700 | 31/day | 70 |
| 737-900 | 28/day | 179 |
| 777-200 | 9-10/day | 276 |
| A319 | 8-9/day | 126 |
| 737 MAX 8 | 8/day | 166 |
| A321neo | 6-7/day | 200 |
| 737-700 | 6/day | 126 |
| 767-300 | 5-6/day | 214 |
| 737-800 | 4-5/day | 166 |
About 33,567 seats leave IAD on United each day. Of the gates it holds, 15 have taken a wide-body, 9 have taken a 757/767, 20 have taken a narrow-body and 36 only regional jets. Seats are capacity from each airline’s seat map per aircraft type, not passengers.
United’s gates at IAD
Concourse A A1A, A1B, A1C, A1D, A1G, A2A, A2B, A2E, A2F, A2G, A3A, A3B, A3C, A4A, A4B, A4C, A4E, A4F, A5A, A5B, A5C, A5D, A6A, A6B, A6C, A6E
Concourse C C1, C2, C3, C4, C5, C6, C7, C8, C9, C11, C12, C14, C17, C18, C19, C20, C22, C23, C24, C26, C27, C28
Concourse D D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D14, D15, D16, D18, D19, D20, D21, D23, D24, D25, D26, D27, D29, D30, D32
Concourse Z Z5, Z6, Z7, Z9
Terminal 2, Concourse C C25
Held = the airline flying the gate most (regional partners count as their brand).
Gates it shares
| Gate | Who holds it | Other airlines there |
|---|---|---|
| CGRP1 | Too few flights yet | – |
| R12B | Too few flights yet | – |
| R13 | Too few flights yet | – |
| R15 | Too few flights yet | – |
| R19 | Too few flights yet | – |
| R24A | Too few flights yet | – |
| R26A | Too few flights yet | – |
| R28B | Too few flights yet | – |
About this data
Based on 19 full days of flights at IAD, Oct 3–21, 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 IAD: questions
What terminal is United at Washington Dulles Airport (IAD)?
United flies from Concourses D, A, C and Z at Washington Dulles Airport (IAD). By departures: Concourses D (36% of its departures), A (33%), C (26%) and Z (4%).
What gates does United use at IAD?
United has 80 gates at IAD (the airline flying each one most): A1A, A1B, A1C, A1D, A1G, A2A, A2B, A2E, A2F, A2G, A3A, A3B and 68 more. It used 88 gates in all over Oct 3–21, 2026.
How many flights a day does United have from IAD?
About 264 departures a day and 33,567 seats, averaged over Oct 3–21, 2026.
Where does United fly nonstop from IAD?
United flies nonstop to 122 cities from IAD, the most often to San Francisco, Denver, Chicago O'Hare, Los Angeles, Houston and Newark. Routes seen Oct 3–21, 2026.
When is United’s first flight out of IAD?
Usually around 6:00 am; the last leaves around 12:55 am (after midnight).
Does United share gates at IAD?
Yes: 8 gates it uses are shared or used most by another airline, e.g. gate CGRP1.
Other airlines at IAD
All of IAD’s gates by airline · United at every airport we map · Nonstop routes from IAD