Airports / Lawrence J. Timmerman Airport

Lawrence J. Timmerman Airport(KMWC)

Milwaukee, United States

Last updated: Mar 25, 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

Activity Summary

348.5
Tons CO2 Total
2.0
Avg CO2/Flight
170
Flights Total
Emissions Intensity0.01t CO₂/nm
253.5 tons CO2 in selected period

Airport Patterns

Emissions up 550% vs prior period — significantly busier than prior period

253t
Total CO₂
2.0t
Avg CO₂/flight
170
Flights
Operator Profile

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

Emissions
>300%
55t → 348t CO₂
CO₂ Intensity
36%
1.4t → 2.0t per departure
Flight Count
Prior data incomplete
New Routes
97
315t CO₂ combined
Dropped Routes
16
Prior period only
New Aircraft
130
130 new tail numbers
Top Destinations
Bozeman20.5t CO₂
3 flights · avg 6.8t/flight
Teterboro10.6t CO₂
3 flights · avg 3.5t/flight
Denver9.4t CO₂
1 flight · avg 9.4t/flight
Van Nuys9.3t CO₂
1 flight · avg 9.3t/flight
Waukesha9.0t CO₂
6 flights · avg 1.5t/flight

Spikes

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

CO₂ Above Baseline

77t

Signals Detected

5

Highest Severity

High

MediumMay 9, 2025 – May 15, 2025

Elevated activity May 9, 2025 – May 15, 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 120%.

16.1t CO₂

MediumJun 25, 2025 – Jul 1, 2025

Elevated activity Jun 25, 2025 – Jul 1, 2025 — 10 flights in 7 days vs baseline of 4

10 flights recorded in a 7-day window, exceeding the airport baseline of 4 flights per week by 175%.

32.7t CO₂

MediumJul 2, 2025 – Jul 8, 2025

Elevated activity Jul 2, 2025 – Jul 8, 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 120%.

14.6t CO₂

HighAug 18, 2025

Single high-emission departure N550VE → KMWC on Aug 18, 2025 — 12.0t CO₂, 83% of day's total

Aircraft N550VE departing to KMWC produced 12.0t CO₂, representing 83% of all airport emissions on Aug 18, 2025.

12.0t CO₂

MediumDec 29, 2025 – Feb 3, 2026

37-day gap in recorded activity ending Feb 3, 2026

Airport had 37 consecutive days with zero recorded flights before activity resumed on Feb 3, 2026.

2.0t CO₂

Route Map

Top Routes by Emissions
MilwaukeeBozeman

KMWC to KBZN · 1,151 miles

Total Flights

3

Avg CO₂/Flight

6.8t

Total Emissions

20.5t CO₂

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

KMWC to KTEB · 734 miles

Total Flights

3

Avg CO₂/Flight

3.5t

Total Emissions

10.6t CO₂

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

KMWC to KAPA · 905 miles

Total Flights

1

Avg CO₂/Flight

9.4t

Total Emissions

9.4t CO₂

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

KMWC to KVNY · 1,743 miles

Total Flights

1

Avg CO₂/Flight

9.3t

Total Emissions

9.3t CO₂

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

KMWC to KUES · 12 miles

Total Flights

6

Avg CO₂/Flight

1.5t

Total Emissions

9.0t CO₂

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

KMWC to KBFI · 1,679 miles

Total Flights

1

Avg CO₂/Flight

8.7t

Total Emissions

8.7t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 14
Aircraft Using This Airport
View All Aircraft
N193LS·Gulfstream G650
15.6t CO₂ · avg 7.8t/visit · 2 visits · Last seen 12 Jun 2025
N392RG·Cessna Citation CJ2
14.7t CO₂ · avg 1.6t/visit · 9 visits · Last seen 3 Mar 2026
N467FXCharter·Gulfstream GIV
9.4t CO₂ · avg 9.4t/visit · 1 visit · Last seen 15 Mar 2026
N756QSCharter·Bombardier Challenger 300
9.3t CO₂ · avg 9.3t/visit · 1 visit · Last seen 17 Jul 2025
N251FTCharter·Bombardier Challenger 300
8.7t CO₂ · avg 8.7t/visit · 1 visit · Last seen 27 Jun 2025
N638QSCharter·Cessna Citation Latitude
8.1t CO₂ · avg 8.1t/visit · 1 visit · Last seen 29 Jul 2025
N501QSCharter·Cessna Citation Latitude
7.7t CO₂ · avg 3.8t/visit · 2 visits · Last seen 30 Jun 2025
N415FXCharter·Embraer Praetor 500
6.4t CO₂ · avg 3.2t/visit · 2 visits · Last seen 11 Feb 2026
N830JSCharter·Cessna Citation XLS
5.9t CO₂ · avg 5.9t/visit · 1 visit · Last seen 3 Jul 2025
N680KJCharter·Cessna Citation Sovereign
5.9t CO₂ · avg 5.9t/visit · 1 visit · Last seen 15 Jun 2025
Page 1 of 14

Recent Flights

10 total flights recorded

Showing most recent flights — not filtered by viewing period