Airports / St. Catharines/Niagara District Airport
St. Catharines/Niagara District Airport(CYSN)
Niagara-on-the-Lake, Canada
Last updated: Mar 26, 2026
Activity Summary
Airport Patterns
Emissions up 286% vs prior period — significantly busier than prior period
Charter/owner classification not available for this airport's flights
Spikes
Significant deviations from this airport's baseline in the selected period.
CO₂ Above Baseline
86t
Signals Detected
5
Highest Severity
High
Elevated activity May 12, 2025 – May 18, 2025 — 10 flights in 7 days vs baseline of 5
10 flights recorded in a 7-day window, exceeding the airport baseline of 5 flights per week by 103%.
41.2t CO₂
Elevated activity Jul 17, 2025 – Jul 23, 2025 — 11 flights in 7 days vs baseline of 5
11 flights recorded in a 7-day window, exceeding the airport baseline of 5 flights per week by 123%.
8.5t CO₂
Elevated activity Jul 27, 2025 – Aug 2, 2025 — 10 flights in 7 days vs baseline of 5
10 flights recorded in a 7-day window, exceeding the airport baseline of 5 flights per week by 103%.
12.6t CO₂
Single high-emission departure N2BW → Unknown on Dec 24, 2025 — 23.0t CO₂, 93% of day's total
Aircraft N2BW departing to Unknown produced 23.0t CO₂, representing 93% of all airport emissions on Dec 24, 2025.
23.0t CO₂
33-day gap in recorded activity ending Feb 26, 2026
Airport had 33 consecutive days with zero recorded flights before activity resumed on Feb 26, 2026.
1.0t CO₂
Route Map
CYSN to KVNY · 2,187 miles
Total Flights
2
Avg CO₂/Flight
16.3t
Total Emissions
32.7t CO₂
CYSN to KSJC · 2,264 miles
Total Flights
2
Avg CO₂/Flight
11.9t
Total Emissions
23.7t CO₂
CYSN to CYYZ · 40 miles
Total Flights
24
Avg CO₂/Flight
0.9t
Total Emissions
22.7t CO₂
CYSN to KFXE · 1,176 miles
Total Flights
1
Avg CO₂/Flight
22.0t
Total Emissions
22.0t CO₂
CYSN to KBFI · 2,088 miles
Total Flights
1
Avg CO₂/Flight
18.4t
Total Emissions
18.4t CO₂
CYSN to KSBA · 2,248 miles
Total Flights
1
Avg CO₂/Flight
13.3t
Total Emissions
13.3t CO₂
Recent Flights
10 total flights recordedShowing most recent flights — not filtered by viewing period