Airports / Saint-Jean Airport

Saint-Jean Airport(CYJN)

St Jean, Canada

Last updated: Nov 4, 2025

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

Activity Summary

13.4
Tons CO2 Total
1.2
Avg CO2/Flight
11
Flights Total
Emissions Intensity0.01t CO₂/nm
12.4 tons CO2 in selected period

Airport Patterns

8 aircraft not previously recorded at this airport appeared this period

12t
Total CO₂
1.2t
Avg CO₂/flight
11
Flights
Operator Profile

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

Emissions
33%
20t → 13t CO₂
CO₂ Intensity
44%
2.2t → 1.2t per departure
Flight Count
2
9 → 11 flights
New Routes
7
10t CO₂ combined
Dropped Routes
5
Prior period only
New Aircraft
8
8 new tail numbers
Top Destinations
New Richmond2.9t CO₂
1 flight · avg 2.9t/flight
Halifax2.1t CO₂
1 flight · avg 2.1t/flight
Montréal1.4t CO₂
2 flights · avg 0.7t/flight
Boston1.1t CO₂
1 flight · avg 1.1t/flight
Saint John1.1t CO₂
1 flight · avg 1.1t/flight

Spikes

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

CO₂ Above Baseline

9t

Signals Detected

5

Highest Severity

High

MediumMay 6, 2025 – May 12, 2025

Elevated activity May 6, 2025 – May 12, 2025 — 1 flights in 7 days vs baseline of 0

1 flights recorded in a 7-day window, exceeding the airport baseline of 0 flights per week by 136%.

1.1t CO₂

MediumMay 15, 2025 – May 21, 2025

Elevated activity May 15, 2025 – May 21, 2025 — 1 flights in 7 days vs baseline of 0

1 flights recorded in a 7-day window, exceeding the airport baseline of 0 flights per week by 136%.

2.1t CO₂

MediumMay 30, 2025 – Jun 5, 2025

Elevated activity May 30, 2025 – Jun 5, 2025 — 1 flights in 7 days vs baseline of 0

1 flights recorded in a 7-day window, exceeding the airport baseline of 0 flights per week by 136%.

1.0t CO₂

HighAug 8, 2025

Single high-emission departure N920JR → KRNH on Aug 8, 2025 — 2.9t CO₂, 100% of day's total

Aircraft N920JR departing to KRNH produced 2.9t CO₂, representing 100% of all airport emissions on Aug 8, 2025.

2.9t CO₂

LowMay 6, 2025 – May 21, 2025

14-day gap in recorded activity ending May 21, 2025

Airport had 14 consecutive days with zero recorded flights before activity resumed on May 21, 2025.

2.1t CO₂

Route Map

Top Routes by Emissions
St JeanNew Richmond

CYJN to KRNH · 935 miles

Total Flights

1

Avg CO₂/Flight

2.9t

Total Emissions

2.9t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
St JeanHalifax

CYJN to CYHZ · 477 miles

Total Flights

1

Avg CO₂/Flight

2.1t

Total Emissions

2.1t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
St JeanMontréal

CYJN to CYHU · 17 miles

Total Flights

2

Avg CO₂/Flight

0.7t

Total Emissions

1.4t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
St JeanBoston

CYJN to KBOS · 232 miles

Total Flights

1

Avg CO₂/Flight

1.1t

Total Emissions

1.1t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
St JeanSaint John

CYJN to CYSJ · 359 miles

Total Flights

1

Avg CO₂/Flight

1.1t

Total Emissions

1.1t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
St JeanSherbrooke

CYJN to CYSC · 78 miles

Total Flights

1

Avg CO₂/Flight

1.0t

Total Emissions

1.0t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 2
Aircraft Using This Airport
View All Aircraft
N920JRCharter·Cessna Citation CJ2
2.9t CO₂ · avg 2.9t/visit · 1 visit · Last seen 8 Aug 2025
C-FGFGCharter·Bombardier Challenger 600
2.1t CO₂ · avg 2.1t/visit · 1 visit · Last seen 21 May 2025
C-FASPCharter·Cessna Citation CJ2
1.1t CO₂ · avg 1.1t/visit · 1 visit · Last seen 6 May 2025
C-GFSX·Cessna Citation CJ3
1.1t CO₂ · avg 1.1t/visit · 1 visit · Last seen 9 Jun 2025
C-GRCY·Bombardier Challenger 600
1.0t CO₂ · avg 0.5t/visit · 2 visits · Last seen 7 Aug 2025
N525AFCharter·Pilatus PC-24
1.0t CO₂ · avg 1.0t/visit · 1 visit · Last seen 5 Jun 2025
N968QSCharter·Cessna Citation Latitude
0.9t CO₂ · avg 0.9t/visit · 1 visit · Last seen 21 Aug 2025
N976QSCharter·Cessna Citation Latitude
0.9t CO₂ · avg 0.9t/visit · 1 visit · Last seen 15 Aug 2025
N947QSCharter·Cessna Citation Latitude
0.9t CO₂ · avg 0.9t/visit · 1 visit · Last seen 25 Jun 2025
C-GPAW·Cessna Citation XLS
0.6t CO₂ · avg 0.6t/visit · 1 visit · Last seen 4 Nov 2025

Recent Flights

10 total flights recorded

Showing most recent flights — not filtered by viewing period