Airports / Gillespie Field

Gillespie Field(KSEE)

San Diego/El Cajon, United States

Last updated: Mar 29, 2026

Pro
Soon
Viewing period:
Compared to: preceding 12 months · Apr 2024 – Apr 2025
Apr 2025 – Mar 2026·vs Apr 2024 – Apr 2025

Activity Summary

3,380.2
Tons CO2 Total
2.8
Avg CO2/Flight
1,260
Flights Total
Emissions Intensity0.01t CO₂/nm
1,984.1 tons CO2 in selected period

Airport Patterns

Emissions up 396% vs prior period — significantly busier than prior period

1,984t
Total CO₂
2.8t
Avg CO₂/flight
1,260
Flights
Operator Profile

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

Emissions
>300%
815t → 3,380t CO₂
CO₂ Intensity
12%
3.2t → 2.8t per departure
Flight Count
Prior data incomplete
New Routes
250
1,725t CO₂ combined
Dropped Routes
36
Prior period only
New Aircraft
180
180 new tail numbers
Top Destinations
Washington187.1t CO₂
18 flights · avg 10.4t/flight
Salt Lake City69.9t CO₂
23 flights · avg 3.0t/flight
Denver64.5t CO₂
22 flights · avg 2.9t/flight
Pontiac45.6t CO₂
5 flights · avg 9.1t/flight
Provo43.2t CO₂
10 flights · avg 4.3t/flight

Spikes

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

CO₂ Above Baseline

36t

Signals Detected

1

Highest Severity

High

HighMar 11, 2026

Single high-emission departure N1 → LECU on Mar 11, 2026 — 36.5t CO₂, 86% of day's total

Aircraft N1 departing to LECU produced 36.5t CO₂, representing 86% of all airport emissions on Mar 11, 2026.

36.5t CO₂

Route Map

Top Routes by Emissions
San Diego/El CajonWashington

KSEE to KIAD · 2,235 miles

Total Flights

18

Avg CO₂/Flight

10.4t

Total Emissions

187.1t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
San Diego/El CajonSalt Lake City

KSEE to KSLC · 616 miles

Total Flights

23

Avg CO₂/Flight

3.0t

Total Emissions

69.9t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
San Diego/El CajonDenver

KSEE to KAPA · 820 miles

Total Flights

22

Avg CO₂/Flight

2.9t

Total Emissions

64.5t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
San Diego/El CajonPontiac

KSEE to KPTK · 1,940 miles

Total Flights

5

Avg CO₂/Flight

9.1t

Total Emissions

45.6t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
San Diego/El CajonProvo

KSEE to KPVU · 588 miles

Total Flights

10

Avg CO₂/Flight

4.3t

Total Emissions

43.2t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
San Diego/El CajonHuntsville

KSEE to KMDQ · 1,745 miles

Total Flights

5

Avg CO₂/Flight

7.9t

Total Emissions

39.4t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 33
Aircraft Using This Airport
View All Aircraft
N350XK·Bombardier Challenger 300
335.3t CO₂ · avg 3.0t/visit · 111 visits · Last seen 23 Mar 2026
N350XJ·Bombardier Challenger 300
301.1t CO₂ · avg 3.3t/visit · 91 visits · Last seen 28 Mar 2026
N115SECharter·Bombardier Challenger 300
180.3t CO₂ · avg 2.1t/visit · 87 visits · Last seen 29 Mar 2026
N884AD·Gulfstream G650
111.8t CO₂ · avg 3.4t/visit · 33 visits · Last seen 8 Mar 2026
N1926SCharter·Bombardier Learjet 31
101.1t CO₂ · avg 1.0t/visit · 97 visits · Last seen 26 Mar 2026
N625SECharter·Embraer Legacy 650
60.9t CO₂ · avg 3.6t/visit · 17 visits · Last seen 26 Oct 2025
N1·Cessna Citation Sovereign
36.5t CO₂ · avg 18.2t/visit · 2 visits · Last seen 11 Mar 2026
N163EB·Dassault Falcon 2000
31.8t CO₂ · avg 1.2t/visit · 26 visits · Last seen 11 Nov 2025
N3918Y·Gulfstream GIV
28.3t CO₂ · avg 2.4t/visit · 12 visits · Last seen 28 Mar 2026
N100AX·Dassault Falcon 900
28.0t CO₂ · avg 1.2t/visit · 24 visits · Last seen 28 Feb 2026
Page 1 of 21

Recent Flights

10 total flights recorded

Showing most recent flights — not filtered by viewing period