Airports / St. Catharines/Niagara District Airport

St. Catharines/Niagara District Airport(CYSN)

Niagara-on-the-Lake, Canada

Last updated: Mar 26, 2026

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Viewing period:
Compared to: preceding 12 months · May 2024 – May 2025
May 2025 – Apr 2026·vs May 2024 – May 2025· Emissions increasing vs prior period

Activity Summary

532.8
Tons CO2 Total
2.8
Avg CO2/Flight
230
Flights Total
Emissions Intensity0.01t CO₂/nm
361.2 tons CO2 in selected period

Airport Patterns

Emissions up 286% vs prior period — significantly busier than prior period

361t
Total CO₂
2.8t
Avg CO₂/flight
230
Flights
Operator Profile

Charter/owner classification not available for this airport's flights

Emissions
285%
138t → 533t CO₂
CO₂ Intensity
26%
3.7t → 2.8t per departure
Flight Count
Prior data incomplete
New Routes
95
401t CO₂ combined
Dropped Routes
13
Prior period only
New Aircraft
115
115 new tail numbers
Top Destinations
Van Nuys32.7t CO₂
2 flights · avg 16.3t/flight
San Jose23.7t CO₂
2 flights · avg 11.9t/flight
Toronto22.7t CO₂
24 flights · avg 0.9t/flight
Fort Lauderdale22.0t CO₂
1 flight · avg 22.0t/flight
Seattle18.4t CO₂
1 flight · avg 18.4t/flight

Spikes

Significant deviations from this airport's baseline in the selected period.

CO₂ Above Baseline

86t

Signals Detected

5

Highest Severity

High

MediumMay 12, 2025 – May 18, 2025

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

MediumJul 17, 2025 – Jul 23, 2025

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

MediumJul 27, 2025 – Aug 2, 2025

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

HighDec 24, 2025

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

MediumJan 24, 2026 – Feb 26, 2026

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

Top Routes by Emissions
Niagara-on-the-LakeVan Nuys

CYSN to KVNY · 2,187 miles

Total Flights

2

Avg CO₂/Flight

16.3t

Total Emissions

32.7t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Niagara-on-the-LakeSan Jose

CYSN to KSJC · 2,264 miles

Total Flights

2

Avg CO₂/Flight

11.9t

Total Emissions

23.7t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Niagara-on-the-LakeToronto

CYSN to CYYZ · 40 miles

Total Flights

24

Avg CO₂/Flight

0.9t

Total Emissions

22.7t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Niagara-on-the-LakeFort Lauderdale

CYSN to KFXE · 1,176 miles

Total Flights

1

Avg CO₂/Flight

22.0t

Total Emissions

22.0t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Niagara-on-the-LakeSeattle

CYSN to KBFI · 2,088 miles

Total Flights

1

Avg CO₂/Flight

18.4t

Total Emissions

18.4t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Niagara-on-the-LakeSanta Barbara

CYSN to KSBA · 2,248 miles

Total Flights

1

Avg CO₂/Flight

13.3t

Total Emissions

13.3t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
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Aircraft Using This Airport
View All Aircraft
C-FMIXCharter·Bombardier Challenger 350
36.0t CO₂ · avg 2.3t/visit · 16 visits · Last seen 17 Nov 2025
N2BW·Bombardier Global 7500
23.0t CO₂ · avg 23.0t/visit · 1 visit · Last seen 24 Dec 2025
C-GLOZ·Bombardier Global 7500
22.0t CO₂ · avg 11.0t/visit · 2 visits · Last seen 16 May 2025
N90RGCharter·Gulfstream GIV
20.3t CO₂ · avg 20.3t/visit · 1 visit · Last seen 28 Jun 2025
9H-VISTACharter·Bombardier Global 7500
18.4t CO₂ · avg 18.4t/visit · 1 visit · Last seen 19 Oct 2025
C-GDLICharter·Bombardier Challenger 600
15.3t CO₂ · avg 0.5t/visit · 33 visits · Last seen 21 Mar 2026
N50NL·Dassault Falcon 7X
13.3t CO₂ · avg 13.3t/visit · 1 visit · Last seen 2 Sept 2025
N601BECharter·Bombardier Challenger 600
12.4t CO₂ · avg 12.4t/visit · 1 visit · Last seen 26 Aug 2025
N842QSCharter·Cessna Citation Longitude
12.0t CO₂ · avg 12.0t/visit · 1 visit · Last seen 25 May 2025
N597FXCharter·Bombardier Challenger 300
11.8t CO₂ · avg 11.8t/visit · 1 visit · Last seen 2 Nov 2025
Page 1 of 13

Recent Flights

10 total flights recorded

Showing most recent flights — not filtered by viewing period