Dell Flight Strip Airport (4U9), Montana
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
Dell Flight Strip (4U9) is a small, unattended public-use airport in Dell, Montana, sitting at 6007 feet elevation and offering a single paved runway suitable for a range of business aircraft. The field lies well off the beaten path, with the nearest customs facility at KBTM roughly 74 nautical miles away and no fuel services confirmed onsite. Traffic remains light, consistent with its role serving a sparsely populated corner of southwestern Montana rather than a regional business hub.
Runways
Dell Flight Strip Airport has one paved runway, 14/32, 7,000 ft long and 70 ft wide, with an asphalt surface.
Source: FAA Form 5010.
Fuel and airfield services
The airport has no control tower.
Source: FAA Form 5010 / NASR.
Customs
Dell Flight Strip Airport does not clear customs. The nearest port of entry is Bert Mooney (KBTM), 74 NM away.
Source: CBP list of ports of entry.
Business aviation traffic
Dell Flight Strip Airport recorded 7 business aviation movements in 2025. Traffic peaks in March, July and November. Business aviation traffic at Dell Flight Strip is concentrated in just four months of the year - March, July, September, and November - rather than spread evenly across the calendar.
Business jet movements, FAA TFMSC count. Peak month March, 2 movements in 2025.
Source: FAA TFMSC, business jet movements, 2025.
Climate
Dell Flight Strip Airport averages 3.0 days above 90°F in July, 31.0 freeze days in January and 3.0 snow days in April. July is the warmest month, with average highs of 82.6°F, and December the coldest, at 29.7°F.
Weather station is 8.2 NM from the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: NOAA NCEI.
Operating constraints
Dell Flight Strip Airport has published operating constraints in three categories: runway notes, environmental and other notes.
MIRL for runway 14/32 and PAPI for runway 14 are pilot-activated via CTAF.
Large cracks with protruding weeds are present throughout the runway surface.
Deer are present on and in the vicinity of the airport.
Snow removal at the airport is irregular.
For clearance delivery, contact Salt Lake ARTCC.
Source: FAA Chart Supplement.
Nearby airfields
Dell Flight Strip Airport has two airfields within 49 NM. The closest is Dillon (KDLN), 32.00 NM north.
Source: Skystar calculation from official coordinates.
Skystar at 4U9
We arrange catering, fuel and trip support here. Supplier prices reach you unchanged; our coordination fee sits on its own line.
The same order, priced two ways.
$1,200.00 catering order at 4U9.
Unchanged.
What the kitchen invoices us is what your quote reads.
One line, fixed.
It does not move with the size of the order.
At cost.
Passed on at the exact amount the processor took.
Market practice figures are industry averages, not a specific competitor.
Frequently asked questions
Is customs available at 4U9 Dell Flight Strip?
Dell Flight Strip does not offer onsite customs processing. The nearest customs facility is at KBTM, approximately 74 nautical miles away. Operators requiring customs clearance should plan to route through that airport instead. No onsite customs services exist at 4U9.
What runway is available at Dell Flight Strip (4U9)?
Dell Flight Strip, identifier 4U9, has a single paved runway, 14/32, measuring 7000 feet long and 70 feet wide with an asphalt surface. This length accommodates a range of business aviation aircraft. The field sits at 6007 feet elevation in Dell, Montana. No parallel or crosswind runway is available.
Are there any surface condition concerns at 4U9?
Yes, according to airport remarks for Dell Flight Strip, the runway surface shows large cracks with protruding weeds throughout. Snow removal at the field is also noted as irregular. Operators should factor these surface conditions into their planning, particularly during winter months. The field remains unattended, so no onsite personnel report real-time conditions.
How much business aviation traffic does KBTM-area airport 4U9 see?
Dell Flight Strip recorded a total of 7 business aviation operations in 2025, according to FAA TFMSC data. Traffic was spread thinly across the year, with operations logged in March, July, September, and November. This reflects low, sporadic use typical of a small unattended strip in rural Montana. No fuel services are confirmed at the field.