Airports / Oelwein Municipal Airport

Oelwein Municipal Airport(KOLZ)

Oelwein, United States

Last updated: Mar 17, 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

Activity Summary

176.3
Tons CO2 Total
4.4
Avg CO2/Flight
41
Flights Total
Emissions Intensity0.01t CO₂/nm
173.4 tons CO2 in selected period

Airport Patterns

Emissions up 461% vs prior period — significantly busier than prior period

173t
Total CO₂
4.4t
Avg CO₂/flight
41
Flights
Operator Profile

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

Emissions
>300%
31t → 176t CO₂
CO₂ Intensity
15%
3.9t → 4.4t per departure
Flight Count
Prior data incomplete
New Routes
32
140t CO₂ combined
Dropped Routes
4
Prior period only
New Aircraft
39
39 new tail numbers
Top Destinations
San Jose18.2t CO₂
2 flights · avg 9.1t/flight
West Palm Beach17.5t CO₂
2 flights · avg 8.8t/flight
Van Nuys14.9t CO₂
2 flights · avg 7.4t/flight
Denver14.7t CO₂
3 flights · avg 4.9t/flight
Scottsdale13.9t CO₂
2 flights · avg 6.9t/flight

Spikes

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

CO₂ Above Baseline

41t

Signals Detected

5

Highest Severity

High

MediumJun 18, 2025 – Jun 24, 2025

Elevated activity Jun 18, 2025 – Jun 24, 2025 — 2 flights in 7 days vs baseline of 1

2 flights recorded in a 7-day window, exceeding the airport baseline of 1 flights per week by 142%.

1.7t CO₂

MediumJul 31, 2025 – Aug 6, 2025

Elevated activity Jul 31, 2025 – Aug 6, 2025 — 2 flights in 7 days vs baseline of 1

2 flights recorded in a 7-day window, exceeding the airport baseline of 1 flights per week by 142%.

9.0t CO₂

MediumAug 26, 2025 – Sep 1, 2025

Elevated activity Aug 26, 2025 – Sep 1, 2025 — 2 flights in 7 days vs baseline of 1

2 flights recorded in a 7-day window, exceeding the airport baseline of 1 flights per week by 142%.

12.3t CO₂

HighJul 24, 2025

Single high-emission departure N473CW → KPBI on Jul 24, 2025 — 11.3t CO₂, 100% of day's total

Aircraft N473CW departing to KPBI produced 11.3t CO₂, representing 100% of all airport emissions on Jul 24, 2025.

11.3t CO₂

MediumApr 3, 2025 – May 27, 2025

54-day gap in recorded activity ending May 27, 2025

Airport had 54 consecutive days with zero recorded flights before activity resumed on May 27, 2025.

6.6t CO₂

Route Map

Top Routes by Emissions
OelweinSan Jose

KOLZ to KSJC · 1,618 miles

Total Flights

2

Avg CO₂/Flight

9.1t

Total Emissions

18.2t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
OelweinWest Palm Beach

KOLZ to KPBI · 1,292 miles

Total Flights

2

Avg CO₂/Flight

8.8t

Total Emissions

17.5t CO₂

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

KOLZ to KVNY · 1,542 miles

Total Flights

2

Avg CO₂/Flight

7.4t

Total Emissions

14.9t CO₂

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

KOLZ to KAPA · 703 miles

Total Flights

3

Avg CO₂/Flight

4.9t

Total Emissions

14.7t CO₂

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

KOLZ to KSDL · 1,246 miles

Total Flights

2

Avg CO₂/Flight

6.9t

Total Emissions

13.9t CO₂

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

KOLZ to KSNS · 1,621 miles

Total Flights

1

Avg CO₂/Flight

9.5t

Total Emissions

9.5t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
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Aircraft Using This Airport
View All Aircraft
N263SNCharter·Hawker 750/850
12.0t CO₂ · avg 6.0t/visit · 2 visits · Last seen 17 Mar 2026
N473CWCharter·Gulfstream GIV
11.3t CO₂ · avg 11.3t/visit · 1 visit · Last seen 24 Jul 2025
N733FLCharter·Cessna Citation X
9.5t CO₂ · avg 9.5t/visit · 1 visit · Last seen 1 Sept 2025
N667HF·Dassault Falcon 900
9.5t CO₂ · avg 9.5t/visit · 1 visit · Last seen 8 Oct 2025
N746QSCharter·Bombardier Challenger 300
8.7t CO₂ · avg 8.7t/visit · 1 visit · Last seen 30 Nov 2025
N247FSCharter·Bombardier Challenger 300
8.6t CO₂ · avg 8.6t/visit · 1 visit · Last seen 3 Apr 2025
N314JECharter·Bombardier Challenger 300
8.6t CO₂ · avg 8.6t/visit · 1 visit · Last seen 6 Aug 2025
N736EECharter·Bombardier Challenger 600
7.5t CO₂ · avg 7.5t/visit · 1 visit · Last seen 28 Sept 2025
N15RBCharter·Bombardier Challenger 300
7.5t CO₂ · avg 7.5t/visit · 1 visit · Last seen 15 Oct 2025
N501MG·Bombardier Global 6000/6500
6.8t CO₂ · avg 6.8t/visit · 1 visit · Last seen 24 Feb 2026
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Recent Flights

10 total flights recorded

Showing most recent flights — not filtered by viewing period