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Airport Runway Layout
Runway Information
| Runway | Length | Width | Surface | Heading | Wind Component |
|---|---|---|---|---|---|
|
✈️ 03/21
Active: 21
|
5,699 ft | 150 ft | ASP | 31° |
↑ 4.7 kt
•
↔ 1.7 kt
20° angle
|
| 09/27 | 10,152 ft | 150 ft | CON | 92° |
↓ 0.7 kt
•
↔ 5.0 kt
98° angle
|
Weather Statistics - KDLH
5,306 observations | Sep 2025 - Mar 2026Flight Rules Distribution
Duluth International Airport typically experiences VFR conditions 61.8% of the time, though instrument-rated pilots will find IFR weather present approximately 18.3% of observations. Prevailing winds are from the NW averaging 9.6 knots, with gusts recorded up to 38 knots. Temperature extremes range from -34°C to 29°C, reflecting significant seasonal variation. Low visibility conditions (below 3 SM) occur in 8.1% of weather observations. The best months for VFR flying are October, March, November.
Wind Analysis
Temperature Range
Visibility
Best Months for VFR
Runway Wind Analysis
Statistics computed from 5,306 METAR observations (Sep 2025 - Mar 2026). Data sourced from official aviation weather services. Updated daily.
Duluth International Airport - Airport Information
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About Duluth International Airport
Overview
Duluth International Airport serves the northeastern Minnesota region, strategically located near Lake Superior. As a medium-sized airport at 1428 feet MSL, it provides critical aviation infrastructure for commercial, cargo, and general aviation operations in a climatically challenging environment.
Flying Conditions
Weather at Duluth is characterized by significant variability, with flight rules predominantly VFR (60.1%) but substantial periods of instrument conditions. Temperature ranges dramatically from -34°C to 29°C, creating complex meteorological challenges, with an average temperature near freezing at -0.4°C. Visibility averages 8.3 statute miles, though pilots should anticipate reduced visibility during 9% of observations and fog presence in 10.4% of reports.
Notable Features
The airport features two substantial runways: a 5,699-foot asphalt runway (03/21) and a longer 10,152-foot concrete runway (09/27). Prevailing winds from the northwest (315°) average 9.4 knots, with maximum gusts reaching 26 knots and calm conditions occurring 6.5% of the time. Both runways demonstrate 100% favorable wind alignment, providing flexible operational capabilities.
Approach Considerations
Seasonal considerations are critical, with October, November, and September offering the most consistent VFR conditions. Crosswind components are moderate, averaging 7.4 knots on runway 03/21 and 5.5 knots on runway 09/27. Pilots should prepare for potential rapid weather changes typical of a Great Lakes region airport proximate to significant water geography.
Data Sources & Accuracy: Airport information sourced from OurAirports.com, a collaborative database of worldwide airport data. Weather data from official aviation weather services including NOAA Aviation Weather Center and international METAR/TAF providers. Information is updated regularly but pilots should always verify current conditions and NOTAMs through official channels before flight operations.
Learn More
Relevant guides based on current conditions at KDLH
Official Data Sources
Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.