Saint John Airport (CYSJ), New Brunswick
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
Saint John Airport (CYSJ) is a Tier 1 airport of entry serving Saint John, New Brunswick, with two paved runways and on-site customs clearance for international arrivals. Positioned roughly 101 nautical miles from the nearest major metro reference point, the field supports a mix of business aviation and other traffic tracked as cross-border movements under FAA TFMSC data.
Runways
Saint John Airport has two paved runways. The longest, 05/23, is 7,000 ft long and 200 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
Saint John Airport has Canada Border Services Agency clearance available onsite, with general clearance for international arrivals.
Source: CBSA list of airports of entry.
Business aviation traffic
Saint John Airport recorded 3,566 business aviation movements in 2025. Traffic peaks in July, September and October. Business aviation traffic at CYSJ concentrates in the spring-through-fall months, with September and July posting the highest monthly totals and February the lowest.
Cross-border movements to the United States, FAA TFMSC count. Peak month September, 379 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
Saint John Airport averages 0.4 days above 90°F in July, 29.8 freeze days in January and 4.2 snow days in January. July is the warmest month, with average highs of 73.4°F, and January the coldest, at 27.5°F.
Weather station is on the field. 1991–2020 climate normals.
Source: Environment and Climate Change Canada.
Alternates
Saint John Airport has three alternates within 50 NM. The nearest alternate is Fredericton International Airport (CYFC), 42.69 NM northwest.
Source: Skystar calculation from official coordinates.
Skystar at CYSJ
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 CYSJ.
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 CYSJ and where is it located?
CYSJ, also known as Saint John Airport, serves Saint John, New Brunswick, roughly 101 nautical miles from the nearest major metro reference point. The field sits at 357 feet elevation and handles both business aviation and other traffic year-round. According to FAA TFMSC data, cross-border traffic at CYSJ totaled 6,588 operations in 2025, with 3,566 of those flagged as business aviation movements. The airport is classified as a Tier 1 facility within the Skystar network, reflecting its comparatively high traffic volume and documentation depth.
Does Saint John Airport have customs clearance on site?
Yes, Saint John Airport is designated an Airport of Entry (AOE) with customs clearance available on site. This designation allows arriving international flights to clear customs directly at CYSJ rather than diverting to another airport for inspection. No distance or identifier for a nearest alternate customs airport is listed in the data, consistent with CYSJ functioning as a self-sufficient entry point. Dispatchers planning international arrivals into New Brunswick can treat CYSJ as a primary customs option in the region.
What are the runway dimensions at CYSJ?
Saint John Airport has two paved asphalt runways. Runway 05/23 is the longer of the two, measuring 7,000 feet in length and 200 feet wide, matching the airport's published maximum paved runway length. Runway 14/32 measures 5,100 feet long and is also 200 feet wide. Both runways are asphalt surfaces, giving CYSJ two long, wide options for a range of aircraft types operating in and out of the field.
How does business aviation traffic at CYSJ vary through the year?
Business aviation traffic at Saint John Airport, tracked as cross-border movements under FAA TFMSC data, shows a clear seasonal pattern rather than an even monthly spread. Volumes are lowest in February at 203 operations and climb through the year to peak in September at 379 operations, with July also running high at 368. The months from May through October consistently post the highest monthly counts, while the winter months of January, February, and March sit near the low end of the range. Dispatchers scheduling flexible trips may find spring through fall months carry noticeably more traffic than the winter shoulder months.
What winter weather conditions should be expected at CYSJ?
Saint John Airport experiences a cold winter climate with sustained periods below freezing. Estimated climate figures from the source agency show January averaging 29.8 days below 32 degrees Fahrenheit and a maximum temperature of only 27.5 degrees, with December and February similarly cold. Snow accumulation of one inch or more is estimated at 4.2 days in January, tapering off by April and returning by November. Summer months bring a marked contrast, with July and August highs estimated near 73.4 degrees Fahrenheit and virtually no days below freezing.