Airports / Southwest Washington Regional Airport

Southwest Washington Regional Airport(KKLS)

Kelso, United States

Last updated: Mar 27, 2026

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

Activity Summary

110.9
Tons CO2 Total
1.3
Avg CO2/Flight
70
Flights Total
Emissions Intensity0.01t CO₂/nm
36.6 tons CO2 in selected period

Airport Patterns

Emissions up 211% vs prior period — significantly busier than prior period

37t
Total CO₂
1.3t
Avg CO₂/flight
70
Flights
Operator Profile

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

Emissions
223%
34t → 111t CO₂
CO₂ Intensity
11%
1.5t → 1.3t per departure
Flight Count
Prior data incomplete
New Routes
21
66t CO₂ combined
Dropped Routes
7
Prior period only
New Aircraft
36
36 new tail numbers
Top Destinations
Oakland9.2t CO₂
4 flights · avg 2.3t/flight
Seattle6.2t CO₂
10 flights · avg 0.6t/flight
Sioux Falls3.8t CO₂
1 flight · avg 3.8t/flight
Hayward3.3t CO₂
2 flights · avg 1.7t/flight
Las Vegas3.2t CO₂
1 flight · avg 3.2t/flight

Spikes

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

CO₂ Above Baseline

21t

Signals Detected

5

Highest Severity

High

MediumApr 25, 2025 – May 1, 2025

Elevated activity Apr 25, 2025 – May 1, 2025 — 4 flights in 7 days vs baseline of 1

4 flights recorded in a 7-day window, exceeding the airport baseline of 1 flights per week by 193%.

3.3t CO₂

MediumJun 21, 2025 – Jun 27, 2025

Elevated activity Jun 21, 2025 – Jun 27, 2025 — 3 flights in 7 days vs baseline of 1

3 flights recorded in a 7-day window, exceeding the airport baseline of 1 flights per week by 120%.

4.8t CO₂

MediumJun 28, 2025 – Jul 4, 2025

Elevated activity Jun 28, 2025 – Jul 4, 2025 — 3 flights in 7 days vs baseline of 1

3 flights recorded in a 7-day window, exceeding the airport baseline of 1 flights per week by 120%.

7.2t CO₂

HighJul 20, 2025

Single high-emission departure N804BC → KKLS on Jul 20, 2025 — 4.6t CO₂, 89% of day's total

Aircraft N804BC departing to KKLS produced 4.6t CO₂, representing 89% of all airport emissions on Jul 20, 2025.

4.6t CO₂

LowApr 14, 2025 – Apr 29, 2025

14-day gap in recorded activity ending Apr 29, 2025

Airport had 14 consecutive days with zero recorded flights before activity resumed on Apr 29, 2025.

1.0t CO₂

Route Map

Top Routes by Emissions
KelsoOakland

KKLS to KOAK · 581 miles

Total Flights

4

Avg CO₂/Flight

2.3t

Total Emissions

9.2t CO₂

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

KKLS to KBFI · 102 miles

Total Flights

10

Avg CO₂/Flight

0.6t

Total Emissions

6.2t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
KelsoSioux Falls

KKLS to KFSD · 1,287 miles

Total Flights

1

Avg CO₂/Flight

3.8t

Total Emissions

3.8t CO₂

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

KKLS to KHWD · 586 miles

Total Flights

2

Avg CO₂/Flight

1.7t

Total Emissions

3.3t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
KelsoLas Vegas

KKLS to KHND · 808 miles

Total Flights

1

Avg CO₂/Flight

3.2t

Total Emissions

3.2t CO₂

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

KKLS to CYVR · 213 miles

Total Flights

1

Avg CO₂/Flight

3.1t

Total Emissions

3.1t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
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Aircraft Using This Airport
View All Aircraft
N37ET·Cessna Citation SII
3.8t CO₂ · avg 0.6t/visit · 6 visits · Last seen 13 Feb 2026
N226JM·Cessna Citation XLS
3.8t CO₂ · avg 0.9t/visit · 4 visits · Last seen 5 Mar 2026
N331US·Bombardier Learjet 31
3.3t CO₂ · avg 0.8t/visit · 4 visits · Last seen 13 May 2025
N546FXCharter·Bombardier Challenger 350
3.2t CO₂ · avg 3.2t/visit · 1 visit · Last seen 2 Aug 2025
N960QSCharter·Cessna Citation Latitude
3.1t CO₂ · avg 3.1t/visit · 1 visit · Last seen 1 Sept 2025
C-FSYX·Embraer Praetor 500
2.9t CO₂ · avg 2.9t/visit · 1 visit · Last seen 9 Sept 2025
N819APCharter·Gulfstream G200
2.5t CO₂ · avg 2.5t/visit · 1 visit · Last seen 10 Sept 2025
N868CBCharter·Cessna Citation CJ2
1.8t CO₂ · avg 1.8t/visit · 1 visit · Last seen 12 Sept 2025
N745JSCharter·Cessna Citation CJ2
1.8t CO₂ · avg 1.8t/visit · 1 visit · Last seen 16 Sept 2025
N464EGCharter·Cessna Citation CJ4
1.1t CO₂ · avg 0.5t/visit · 2 visits · Last seen 18 Dec 2025
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Recent Flights

10 total flights recorded

Showing most recent flights — not filtered by viewing period