Niagara District Airport (CYSN), Ontario
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
Niagara District Airport, identified by the ICAO code CYSN and IATA code YCM, serves Niagara-on-the-Lake, Ontario, roughly 35 nautical miles from the nearest metro center. The airport sits close to the US border, with Niagara Falls International just over 11 nautical miles away, and it functions as a public-use, single-tier customs point for business aviation traffic moving between Canada and the United States.
Runways
Niagara District Airport has three paved runways. The longest, 06/24, is 5,000 ft long and 150 ft wide, with an asphalt surface.
Runway geometry from published threshold coordinates. Not for navigation.
Runways are listed longest first.
Source: FAA Form 5010.
Customs
Niagara District Airport has Canada Border Services Agency clearance available onsite, under a restricted regime rather than general clearance. The terms that apply to a given flight must be confirmed before departure.
Source: CBSA list of airports of entry.
Business aviation traffic
Niagara District Airport recorded 948 business aviation movements in 2025. Traffic peaks in August. Business aviation traffic at CYSN is concentrated in the warmer months, rising from a low in February to a peak in August before declining through the winter.
Cross-border movements to the United States, FAA TFMSC count. Peak month August, 143 movements in 2025.
FAA TFMSC records a movement outside the United States only when the flight enters US airspace. This is cross-border traffic, not total activity at the airfield.
Source: FAA TFMSC, cross-border movements, 2025.
Climate
Niagara District Airport averages 5.0 days above 90°F in July, 27.3 freeze days in January and 5.9 snow days in February. July is the warmest month, with average highs of 82.9°F, and January the coldest, at 33.6°F.
Weather station is 7.9 NM from the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: Environment and Climate Change Canada.
Nearby airfields
Niagara District Airport has five airfields within 34 NM. The closest is Niagara Falls International (KIAG), 11.07 NM southeast.
Part of the Toronto and the Golden Horseshoe area.
Source: Skystar calculation from official coordinates.
Skystar at CYSN
We arrange catering, fuel and trip support here. Supplier prices reach you unchanged; our coordination fee sits on its own line.
The same order, priced two ways.
$2,400.00 catering order at CYSN.
Unchanged.
What the kitchen invoices us is what your quote reads.
One line, fixed.
It does not move with the size of the order.
At cost.
Passed on at the exact amount the processor took.
Market practice figures are industry averages, not a specific competitor.
Frequently asked questions
What is the main runway length at CYSN?
Niagara District Airport, identified as CYSN, has three paved runways available to inbound traffic. The primary runway, 06/24, is 5000 feet long and 150 feet wide, matching the airport's published maximum paved length. A second runway, 01/19, runs 2500 feet with a width of 75 feet, and a third, 11/29, measures 2000 feet at the same width. All three surfaces are asphalt. Runway 06/24 is the only strip suited to larger business aircraft given its length and width.
Does CYSN have customs available for international arrivals?
Yes, Niagara District Airport offers onsite customs clearance under an AOE/15 designation. This means the airport of entry can process arriving flights but is limited to a maximum of fifteen persons per aircraft. Crews planning international arrivals at CYSN need to confirm their passenger count fits within this cap before filing. There is no alternate customs airport listed as a fallback in the airport's data, so this fifteen-person limit is the operative constraint for anyone routing through Niagara-on-the-Lake.
How busy is CYSN and is that traffic seasonal?
CYSN, or Niagara District Airport, recorded 1423 total annual operations and 948 business aviation operations in 2025, according to FAA TFMSC data covering cross-border traffic. That traffic is heavily concentrated in the warmer months. Monthly business aviation operations climb from the low 40s in January to a peak of 143 in August, then taper back down through the fall and winter. Dispatchers planning summer arrivals at Niagara-on-the-Lake should expect the airport's busiest period to fall between May and September.
What other airports are near Niagara District Airport for diversion planning?
Several airports sit within range of Niagara District Airport for alternate planning. Niagara Falls International lies 11.07 nautical miles away on a bearing of 117 degrees, making it the closest option. Buffalo Niagara International follows at 24.53 nautical miles on a bearing of 128 degrees. Billy Bishop Toronto City Airport is 27.95 nautical miles to the northwest, while Hamilton International and Burlington Executive Airpark both sit roughly 33 nautical miles to the west. These give crews at CYSN a spread of choices across both Canadian and US sides of the border.
What are winter operating conditions like at CYSN?
Winter weather at Niagara District Airport, per source climate estimates, brings sustained cold and regular snow accumulation. January averages 27.3 days with temperatures below 32 degrees Fahrenheit and 5.1 days with at least one inch of snow on the ground, with December and February showing similar patterns. High temperatures in these months stay in the mid-30s Fahrenheit. Crews operating into CYSN, or Niagara District Airport, during winter months should plan for cold-soaked ramp conditions and periodic snow cover based on these seasonal norms.