Airports / Saint John Airport

Saint John Airport(CYSJ)

Saint John, Canada

Last updated: Mar 30, 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

2,174.4
Tons CO2 Total
3.5
Avg CO2/Flight
596
Flights Total
Emissions Intensity0.01t CO₂/nm
827.9 tons CO2 in selected period

Airport Patterns

Emissions up 74% vs prior period — significantly busier than prior period

828t
Total CO₂
3.5t
Avg CO₂/flight
596
Flights
Operator Profile

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

Emissions
168%
810t → 2,174t CO₂
CO₂ Intensity
5%
3.7t → 3.5t per departure
Flight Count
367
229 → 596 flights
New Routes
100
799t CO₂ combined
Dropped Routes
34
Prior period only
New Aircraft
77
77 new tail numbers
Top Destinations
Toronto124.4t CO₂
33 flights · avg 3.8t/flight
Bedford70.1t CO₂
31 flights · avg 2.3t/flight
Athens66.1t CO₂
2 flights · avg 33.0t/flight
Breslau41.3t CO₂
9 flights · avg 4.6t/flight
George Town38.7t CO₂
3 flights · avg 12.9t/flight

Spikes

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

CO₂ Above Baseline

146t

Signals Detected

2

Highest Severity

High

MediumDec 3, 2025 – Dec 9, 2025

Elevated activity Dec 3, 2025 – Dec 9, 2025 — 28 flights in 7 days vs baseline of 12

28 flights recorded in a 7-day window, exceeding the airport baseline of 12 flights per week by 124%.

112.6t CO₂

HighMar 8, 2026

Single high-emission departure C-GSTI → LGAV on Mar 8, 2026 — 33.3t CO₂, 92% of day's total

Aircraft C-GSTI departing to LGAV produced 33.3t CO₂, representing 92% of all airport emissions on Mar 8, 2026.

33.3t CO₂

Route Map

Top Routes by Emissions
Saint JohnToronto

CYSJ to CYYZ · 685 miles

Total Flights

33

Avg CO₂/Flight

3.8t

Total Emissions

124.4t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Saint JohnBedford

CYSJ to KBED · 334 miles

Total Flights

31

Avg CO₂/Flight

2.3t

Total Emissions

70.1t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Saint JohnAthens

CYSJ to LGAV · 4,420 miles

Total Flights

2

Avg CO₂/Flight

33.0t

Total Emissions

66.1t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Saint JohnBreslau

CYSJ to CYKF · 726 miles

Total Flights

9

Avg CO₂/Flight

4.6t

Total Emissions

41.3t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Saint JohnGeorge Town

CYSJ to MWCR · 2,005 miles

Total Flights

3

Avg CO₂/Flight

12.9t

Total Emissions

38.7t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Saint JohnLGAT

CYSJ to LGAT · 4,413 miles

Total Flights

1

Avg CO₂/Flight

33.0t

Total Emissions

33.0t 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-FOCI·Bombardier Challenger 350
117.6t CO₂ · avg 1.5t/visit · 79 visits · Last seen 25 Mar 2026
C-GGBC·Dassault Falcon 900
102.5t CO₂ · avg 1.4t/visit · 73 visits · Last seen 27 Mar 2026
C-GJEI·Bombardier Challenger 350
90.7t CO₂ · avg 1.1t/visit · 81 visits · Last seen 25 Mar 2026
C-GSTI·Gulfstream G650
71.7t CO₂ · avg 5.1t/visit · 14 visits · Last seen 8 Mar 2026
C-GJKI·Dassault Falcon 2000
56.7t CO₂ · avg 1.2t/visit · 49 visits · Last seen 23 Mar 2026
C-FKCI·Bombardier Challenger 350
39.1t CO₂ · avg 1.3t/visit · 29 visits · Last seen 13 Mar 2026
N186QSCharter·Bombardier Global 7500
32.7t CO₂ · avg 32.7t/visit · 1 visit · Last seen 22 Aug 2025
C-FRKI·Dassault Falcon 2000
30.2t CO₂ · avg 1.1t/visit · 28 visits · Last seen 13 Oct 2025
C-FRKF·Dassault Falcon 2000
26.8t CO₂ · avg 1.5t/visit · 18 visits · Last seen 26 Mar 2026
N477RH·Gulfstream G650
24.8t CO₂ · avg 24.8t/visit · 1 visit · Last seen 2 Jun 2025
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Recent Flights

10 total flights recorded

Showing most recent flights — not filtered by viewing period