Airports / San Sebastian Airport

San Sebastian Airport(LESO)

San Sebastian, Spain

Last updated: Mar 7, 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

208.7
Tons CO2 Total
2.4
Avg CO2/Flight
84
Flights Total
Emissions Intensity0.01t CO₂/nm
21.8 tons CO2 in selected period

Airport Patterns

Emissions up 119% vs prior period — significantly busier than prior period

22t
Total CO₂
2.4t
Avg CO₂/flight
84
Flights
Operator Profile

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

Emissions
297%
53t → 209t CO₂
CO₂ Intensity
51%
5.0t → 2.4t per departure
Flight Count
62
22 → 84 flights
New Routes
39
155t CO₂ combined
Dropped Routes
9
Prior period only
New Aircraft
75
75 new tail numbers
Top Destinations
Dortmund6.0t CO₂
1 flight · avg 6.0t/flight
London5.9t CO₂
1 flight · avg 5.9t/flight
Basle-Mulhouse3.1t CO₂
1 flight · avg 3.1t/flight
Paris2.1t CO₂
1 flight · avg 2.1t/flight
Luxembourg1.9t CO₂
1 flight · avg 1.9t/flight

Spikes

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

CO₂ Above Baseline

54t

Signals Detected

5

Highest Severity

High

MediumMay 12, 2025 – May 18, 2025

Elevated activity May 12, 2025 – May 18, 2025 — 4 flights in 7 days vs baseline of 2

4 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 111%.

7.2t CO₂

MediumMay 19, 2025 – May 25, 2025

Elevated activity May 19, 2025 – May 25, 2025 — 5 flights in 7 days vs baseline of 2

5 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 164%.

9.8t CO₂

MediumMay 26, 2025 – Jun 1, 2025

Elevated activity May 26, 2025 – Jun 1, 2025 — 4 flights in 7 days vs baseline of 2

4 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 111%.

7.5t CO₂

HighOct 10, 2025

Single high-emission departure TC-RSA → LESO on Oct 10, 2025 — 28.1t CO₂, 100% of day's total

Aircraft TC-RSA departing to LESO produced 28.1t CO₂, representing 100% of all airport emissions on Oct 10, 2025.

28.1t CO₂

LowDec 22, 2025 – Jan 6, 2026

15-day gap in recorded activity ending Jan 6, 2026

Airport had 15 consecutive days with zero recorded flights before activity resumed on Jan 6, 2026.

1.4t CO₂

Route Map

Top Routes by Emissions
San SebastianDortmund

LESO to EDLW · 714 miles

Total Flights

1

Avg CO₂/Flight

6.0t

Total Emissions

6.0t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
San SebastianLondon

LESO to EGGW · 592 miles

Total Flights

1

Avg CO₂/Flight

5.9t

Total Emissions

5.9t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
San SebastianBasle-Mulhouse

LESO to LFSB · 537 miles

Total Flights

1

Avg CO₂/Flight

3.1t

Total Emissions

3.1t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
San SebastianParis

LESO to LFPB · 437 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
San SebastianLuxembourg

LESO to ELLX · 576 miles

Total Flights

1

Avg CO₂/Flight

1.9t

Total Emissions

1.9t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
San SebastianGeneva

LESO to LSGG · 435 miles

Total Flights

1

Avg CO₂/Flight

1.8t

Total Emissions

1.8t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
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Aircraft Using This Airport
View All Aircraft
CS-LTO·Cessna Citation Latitude
6.0t CO₂ · avg 3.0t/visit · 2 visits · Last seen 15 Feb 2026
A7-CGOCharter·Gulfstream G650
5.9t CO₂ · avg 5.9t/visit · 1 visit · Last seen 13 Dec 2025
HB-JFS·Dassault Falcon 7X
3.1t CO₂ · avg 3.1t/visit · 1 visit · Last seen 5 Jun 2025
EC-HYICharter·Dassault Falcon 2000
2.1t CO₂ · avg 1.1t/visit · 2 visits · Last seen 24 Oct 2025
LX-RSQ·Bombardier Learjet 45
1.9t CO₂ · avg 1.9t/visit · 1 visit · Last seen 22 Dec 2025
CS-LTJ·Cessna Citation Latitude
1.8t CO₂ · avg 1.8t/visit · 1 visit · Last seen 25 Oct 2025
D-CMMP·Embraer Phenom 300
1.0t CO₂ · avg 1.0t/visit · 1 visit · Last seen 21 Jun 2025
D-CCCB·Bombardier Learjet 35
0.0t CO₂ · avg 0.0t/visit · 1 visit · Last seen 22 Jan 2026
YL-REX·Embraer Legacy 600/650
0.0t CO₂ · avg 0.0t/visit · 2 visits · Last seen 29 Sept 2025
D-ASAPCharter·Embraer Legacy 600/650
0.0t CO₂ · avg 0.0t/visit · 1 visit · Last seen 7 Mar 2026
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Recent Flights

10 total flights recorded

Showing most recent flights — not filtered by viewing period