Airports / Hemphill County Airport
Hemphill County Airport(KHHF)
Canadian, United States
Last updated: Mar 18, 2026
Activity Summary
Airport Patterns
Emissions up 195% vs prior period — significantly busier than prior period
Charter/owner classification not available for this airport's flights
Spikes
Significant deviations from this airport's baseline in the selected period.
CO₂ Above Baseline
43t
Signals Detected
5
Highest Severity
High
Elevated activity Apr 17, 2025 – Apr 23, 2025 — 4 flights in 7 days vs baseline of 2
4 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 156%.
3.7t CO₂
Elevated activity Jun 26, 2025 – Jul 2, 2025 — 4 flights in 7 days vs baseline of 2
4 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 156%.
9.0t CO₂
Elevated activity Aug 15, 2025 – Aug 21, 2025 — 4 flights in 7 days vs baseline of 2
4 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 156%.
15.4t CO₂
Single high-emission departure N888CS → KTEB on Aug 25, 2025 — 12.1t CO₂, 100% of day's total
Aircraft N888CS departing to KTEB produced 12.1t CO₂, representing 100% of all airport emissions on Aug 25, 2025.
12.1t CO₂
14-day gap in recorded activity ending May 8, 2025
Airport had 14 consecutive days with zero recorded flights before activity resumed on May 8, 2025.
2.7t CO₂
Route Map
KHHF to KSDL · 672 miles
Total Flights
5
Avg CO₂/Flight
3.2t
Total Emissions
16.2t CO₂
KHHF to KTEB · 1,461 miles
Total Flights
1
Avg CO₂/Flight
12.1t
Total Emissions
12.1t CO₂
KHHF to KVNY · 1,028 miles
Total Flights
2
Avg CO₂/Flight
5.6t
Total Emissions
11.3t CO₂
KHHF to KPIR · 586 miles
Total Flights
1
Avg CO₂/Flight
8.9t
Total Emissions
8.9t CO₂
KHHF to KFLG · 636 miles
Total Flights
2
Avg CO₂/Flight
4.2t
Total Emissions
8.5t CO₂
KHHF to KDAL · 292 miles
Total Flights
6
Avg CO₂/Flight
1.2t
Total Emissions
7.4t CO₂
Recent Flights
10 total flights recordedShowing most recent flights — not filtered by viewing period