Airports / Houston Gulf Airport

Houston Gulf Airport(KSPX)

Galveston, United States

Last updated: Mar 26, 2026

Pro
Soon
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

296.6
Tons CO2 Total
2.4
Avg CO2/Flight
123
Flights Total
Emissions Intensity0.00t CO₂/nm
296.6 tons CO2 in selected period

Airport Patterns

Emissions up 139% vs prior period — significantly busier than prior period

297t
Total CO₂
2.4t
Avg CO₂/flight
123
Flights
Operator Profile

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

Emissions
130%
129t → 297t CO₂
CO₂ Intensity
20%
3.0t → 2.4t per departure
Flight Count
81
42 → 123 flights
New Routes
59
196t CO₂ combined
Dropped Routes
19
Prior period only
New Aircraft
108
108 new tail numbers
Top Destinations
Tampa28.8t CO₂
6 flights · avg 4.8t/flight
West Palm Beach20.3t CO₂
4 flights · avg 5.1t/flight
Aiken13.7t CO₂
2 flights · avg 6.9t/flight
San Jose13.4t CO₂
2 flights · avg 6.7t/flight
Miami12.7t CO₂
3 flights · avg 4.2t/flight

Spikes

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

CO₂ Above Baseline

61t

Signals Detected

5

Highest Severity

High

MediumApr 4, 2025 – Apr 10, 2025

Elevated activity Apr 4, 2025 – Apr 10, 2025 — 6 flights in 7 days vs baseline of 2

6 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 149%.

20.8t CO₂

MediumApr 24, 2025 – Apr 30, 2025

Elevated activity Apr 24, 2025 – Apr 30, 2025 — 5 flights in 7 days vs baseline of 2

5 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 108%.

20.6t CO₂

MediumMay 8, 2025 – May 14, 2025

Elevated activity May 8, 2025 – May 14, 2025 — 6 flights in 7 days vs baseline of 2

6 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 149%.

7.3t CO₂

HighMar 2, 2026

Single high-emission departure N757QS → KSJC on Mar 2, 2026 — 8.9t CO₂, 100% of day's total

Aircraft N757QS departing to KSJC produced 8.9t CO₂, representing 100% of all airport emissions on Mar 2, 2026.

8.9t CO₂

LowNov 20, 2025 – Dec 5, 2025

15-day gap in recorded activity ending Dec 5, 2025

Airport had 15 consecutive days with zero recorded flights before activity resumed on Dec 5, 2025.

3.1t CO₂

Route Map

Top Routes by Emissions
GalvestonTampa

KSPX to KTPA · 765 miles

Total Flights

6

Avg CO₂/Flight

4.8t

Total Emissions

28.8t CO₂

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

KSPX to KPBI · 932 miles

Total Flights

4

Avg CO₂/Flight

5.1t

Total Emissions

20.3t CO₂

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

KSPX to KAIK · 837 miles

Total Flights

2

Avg CO₂/Flight

6.9t

Total Emissions

13.7t CO₂

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

KSPX to KSJC · 1,635 miles

Total Flights

2

Avg CO₂/Flight

6.7t

Total Emissions

13.4t CO₂

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

KSPX to KOPF · 936 miles

Total Flights

3

Avg CO₂/Flight

4.2t

Total Emissions

12.7t CO₂

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

KSPX to KIAD · 1,195 miles

Total Flights

2

Avg CO₂/Flight

5.0t

Total Emissions

9.9t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 12
Aircraft Using This Airport
View All Aircraft
N10274·Gulfstream GV
26.7t CO₂ · avg 5.3t/visit · 5 visits · Last seen 25 Sept 2025
N757QSCharter·Bombardier Challenger 300
8.9t CO₂ · avg 8.9t/visit · 1 visit · Last seen 2 Mar 2026
N958TB·Gulfstream GIV
7.4t CO₂ · avg 7.4t/visit · 1 visit · Last seen 16 May 2025
N902QSCharter·Cessna Citation Latitude
7.4t CO₂ · avg 3.7t/visit · 2 visits · Last seen 7 Dec 2025
N2129·Gulfstream GIV
7.4t CO₂ · avg 7.4t/visit · 1 visit · Last seen 13 Apr 2025
N350GD·Gulfstream GIV
6.4t CO₂ · avg 6.4t/visit · 1 visit · Last seen 4 Apr 2025
N412RCharter·Gulfstream G600
6.4t CO₂ · avg 6.4t/visit · 1 visit · Last seen 9 Apr 2025
N506HG·Gulfstream GV
6.4t CO₂ · avg 6.4t/visit · 1 visit · Last seen 19 Jun 2025
N800CUCharter·Cessna Citation CJ3
5.9t CO₂ · avg 5.9t/visit · 1 visit · Last seen 14 Oct 2025
N550VE·Gulfstream GV
5.7t CO₂ · avg 5.7t/visit · 1 visit · Last seen 2 Apr 2025
Page 1 of 11

Recent Flights

10 total flights recorded

Showing most recent flights — not filtered by viewing period