Airports / Knoxville Downtown Island Airport

Knoxville Downtown Island Airport(KDKX)

Knoxville, 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

324.2
Tons CO2 Total
1.8
Avg CO2/Flight
189
Flights Total
Emissions Intensity0.01t CO₂/nm
303.4 tons CO2 in selected period

Airport Patterns

Emissions up 430% vs prior period — significantly busier than prior period

303t
Total CO₂
1.8t
Avg CO₂/flight
189
Flights
Operator Profile

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

Emissions
292%
83t → 324t CO₂
CO₂ Intensity
11%
2.0t → 1.8t per departure
Flight Count
Prior data incomplete
New Routes
97
259t CO₂ combined
Dropped Routes
26
Prior period only
New Aircraft
152
152 new tail numbers
Top Destinations
Teterboro24.3t CO₂
10 flights · avg 2.4t/flight
Kenosha18.6t CO₂
3 flights · avg 6.2t/flight
White Plains12.5t CO₂
4 flights · avg 3.1t/flight
Washington10.8t CO₂
7 flights · avg 1.5t/flight
Hailey10.6t CO₂
1 flight · avg 10.6t/flight

Spikes

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

CO₂ Above Baseline

49t

Signals Detected

4

Highest Severity

High

MediumMay 4, 2025 – May 10, 2025

Elevated activity May 4, 2025 – May 10, 2025 — 8 flights in 7 days vs baseline of 4

8 flights recorded in a 7-day window, exceeding the airport baseline of 4 flights per week by 118%.

10.2t CO₂

MediumMay 17, 2025 – May 23, 2025

Elevated activity May 17, 2025 – May 23, 2025 — 9 flights in 7 days vs baseline of 4

9 flights recorded in a 7-day window, exceeding the airport baseline of 4 flights per week by 145%.

18.3t CO₂

MediumJun 1, 2025 – Jun 7, 2025

Elevated activity Jun 1, 2025 – Jun 7, 2025 — 8 flights in 7 days vs baseline of 4

8 flights recorded in a 7-day window, exceeding the airport baseline of 4 flights per week by 118%.

10.1t CO₂

HighDec 22, 2025

Single high-emission departure N59EP → KSUN on Dec 22, 2025 — 10.6t CO₂, 100% of day's total

Aircraft N59EP departing to KSUN produced 10.6t CO₂, representing 100% of all airport emissions on Dec 22, 2025.

10.6t CO₂

Route Map

Top Routes by Emissions
KnoxvilleTeterboro

KDKX to KTEB · 629 miles

Total Flights

10

Avg CO₂/Flight

2.4t

Total Emissions

24.3t CO₂

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

KDKX to KENW · 507 miles

Total Flights

3

Avg CO₂/Flight

6.2t

Total Emissions

18.6t CO₂

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

KDKX to KHPN · 652 miles

Total Flights

4

Avg CO₂/Flight

3.1t

Total Emissions

12.5t CO₂

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

KDKX to KIAD · 409 miles

Total Flights

7

Avg CO₂/Flight

1.5t

Total Emissions

10.8t CO₂

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

KDKX to KSUN · 1,688 miles

Total Flights

1

Avg CO₂/Flight

10.6t

Total Emissions

10.6t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
KnoxvilleChicago/Prospect Heights/Wheeling

KDKX to KPWK · 477 miles

Total Flights

3

Avg CO₂/Flight

3.5t

Total Emissions

10.4t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 17
Aircraft Using This Airport
View All Aircraft
N652BACharter·Gulfstream G650
18.6t CO₂ · avg 6.2t/visit · 3 visits · Last seen 8 Feb 2026
N59EPCharter·Gulfstream G280
10.6t CO₂ · avg 10.6t/visit · 1 visit · Last seen 22 Dec 2025
N417FXCharter·Embraer Praetor 500
9.2t CO₂ · avg 9.2t/visit · 1 visit · Last seen 13 Dec 2025
N1040·Gulfstream G650
5.8t CO₂ · avg 5.8t/visit · 1 visit · Last seen 11 Jul 2025
N848JACharter·Gulfstream GV
5.7t CO₂ · avg 5.7t/visit · 1 visit · Last seen 15 Mar 2026
N489FXCharter·Gulfstream GIV
5.5t CO₂ · avg 5.5t/visit · 1 visit · Last seen 23 May 2025
N2RD·Gulfstream GIV
5.3t CO₂ · avg 5.3t/visit · 1 visit · Last seen 27 Mar 2026
N715CB·Dassault Falcon 2000
5.1t CO₂ · avg 1.7t/visit · 3 visits · Last seen 4 Jan 2026
N685SLCharter·Hawker 4000
5.1t CO₂ · avg 5.1t/visit · 1 visit · Last seen 3 Oct 2025
N669FXCharter·Gulfstream G650
5.1t CO₂ · avg 5.1t/visit · 1 visit · Last seen 4 Jan 2026
Page 1 of 16

Recent Flights

10 total flights recorded

Showing most recent flights — not filtered by viewing period