Great-circle route DEN ↔ 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 |
|---|---|---|---|
| DEN → LGA Denver to New York |
88/wk | Daily | Delta Air Lines, Southwest Airlines, United Airlines |
| LGA → DEN New York to Denver |
— | — | American Airlines, Delta Air Lines, Southwest Airlines, 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 1,274,244 passengers on 8,917 flights between DEN and LGA — about 3,493 a day — filling 87% of the 1,459,712 seats flown. United Air Lines Inc. carried the most passengers (46%).
Source: US DOT T-100 segment reports — actual airline-reported traffic, scheduled service only, both directions combined. Cargo and charter flights excluded.
4 airlines fly the DEN–LGA nonstop, including American Airlines, Delta Air Lines, Southwest Airlines, United Airlines.
Recent scheduled departures on this route have used the Boeing 737, Boeing 737-800, Airbus A320.
Aircraft assignments change by season and by time of day.
On a long east–west route like this one the two directions do not take the same time. Aircraft flying eastbound ride the mid-latitude jet stream and typically arrive earlier than the westbound leg, which flies into it. The difference is commonly 30 to 90 minutes on transatlantic and transpacific flights, and it varies by season. The estimate above does not model wind — treat it as a midpoint and check the airline's own timetable for the block time on your date.
The distance between Denver International Airport and La Guardia Airport is 1,615 miles, or 2,599 kilometres.
| Great-circle distance | 1,615 mi |
| Kilometres | 2,599 km |
| Nautical miles | 1,403 nmi |
Measured airport to airport. The actual track is longer — aircraft follow airways, avoid restricted airspace and route around weather.
Yes. 4 airlines fly the route nonstop, with about 88 departures a week across both directions. The route is in our live nonstop dataset, last seeded 2026-07-07.
About 3h 43m in the air. That is a great-circle estimate from the 1,615-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.
American Airlines, Delta Air Lines, Southwest Airlines, United Airlines.
In 2025, airlines reported 1,274,244 passengers on 8,917 scheduled flights between DEN and LGA — about 3,493 a day — filling 87% of the seats flown. Source: US DOT T-100 segment reports, both directions combined.
Recent scheduled departures have used the Boeing 737, Boeing 737-800, Airbus A320. Assignments change by season and by time of day.
