Great-circle route IAD ↔ LGA. Faint dots are other airports, for geographic context. Download this map — free to reuse with a link back to this page.
Frequencies below are per direction, from our most recent schedule sample.
| Direction | Frequency | Days | Airlines |
|---|---|---|---|
| IAD → LGA Washington to New York |
28/wk | Daily | United Airlines |
| LGA → IAD New York to Washington |
— | — | United Airlines |
Where a direction shows “—” we track it as an operating nonstop but hold no schedule sample for it — we would rather show nothing than guess.
In 2025, airlines reported 180,134 passengers on 2,815 flights between IAD and LGA — about 494 a day — filling 84% of the 213,291 seats flown. Republic Airline carried the most passengers (51%).
Source: US DOT T-100 segment reports — actual airline-reported traffic, scheduled service only, both directions combined. Cargo and charter flights excluded.
United Airlines is the only airline flying the IAD–LGA nonstop.
Recent scheduled departures on this route have used the Embraer 175.
Aircraft assignments change by season and by time of day.
The distance between Washington Dulles International Airport and La Guardia Airport is 228 miles, or 367 kilometres.
| Great-circle distance | 228 mi |
| Kilometres | 367 km |
| Nautical miles | 198 nmi |
Measured airport to airport. The actual track is longer — aircraft follow airways, avoid restricted airspace and route around weather.
Yes. United Airlines flies the route nonstop, with about 28 departures a week across both directions. The route is in our live nonstop dataset, last seeded 2026-07-07.
About 1h 06m in the air. That is a great-circle estimate from the 228-mile distance, not a scheduled block time — an airline's published time will differ by roughly 15 to 45 minutes depending on routing, winds and taxi.
United Airlines.
In 2025, airlines reported 180,134 passengers on 2,815 scheduled flights between IAD and LGA — about 494 a day — filling 84% of the seats flown. Source: US DOT T-100 segment reports, both directions combined.
Recent scheduled departures have used the Embraer 175. Assignments change by season and by time of day.
