Quick Fact
DTW isn’t just three random letters—it’s the IATA code for Detroit Metropolitan Wayne County Airport, sitting in Romulus, Michigan. Come 2026, over 34 million passengers will pass through its gates, and it’s parked at 42.2127° N, 83.3501° W.
Geographic Context
DTW sits 18 miles southwest of downtown Detroit, anchoring Wayne County. Nearly 4.3 million people in the metro area rely on it, and it’s Delta Air Lines’ main hub. Without DTW, the auto industry’s global supply chains, corporate shuttles, and weekend trips to Traverse City or Toronto would screech to a halt.
Key Details
| Feature | Data |
|---|---|
| IATA Code | DTW |
| Location | Romulus, Michigan (Wayne County) |
| Distance from Downtown Detroit | 18 miles (29 km) southwest |
| Annual Passengers (2025) | 34.2 million |
| Runways | 6 (longest: 10,004 ft / 3,050 m) |
| Hub Status | Delta Air Lines hub since 2005 |
Interesting Background
The airport’s story begins in 1929, when a 200-acre plot hosted Ford Air Transport Service. By the 1950s, it had morphed into Willow Run Airport—first a WWII bomber plant, then a commercial hub. Detroit Metropolitan Airport got its official name in 1947, and the modern terminals sprouted up in the 1950s and 1960s. That same year, “Wayne County” got tacked on to honor the region’s founding county. Here’s a wild detail: DTW once boasted a Michigan DOT runway stretching 12,004 feet—long enough to park a Boeing 747.
Practical Information
As of 2026, DTW is fully equipped for travelers, with TSA PreCheck kiosks and free Wi-Fi everywhere. You can hop on the SMART bus or call an Uber to reach downtown Detroit in about 30 minutes. Most Delta flights land at the McNamara Terminal, opened in 2002, while the Davey Terminal handles the rest. Parking runs from $10/day for economy lots to $45/day for covered garages. And if you’re craving local flavor, swing by the McNamara Terminal food court for a Michigan-style Coney dog—yes, chili dogs are practically a religion here.
Why is it called DTW?
The code DTW comes straight from the airport’s official name: Detroit Metropolitan Wayne County Airport. IATA assigns these three-letter codes, and DTW just happens to be the one for this airport. Honestly, this is the cleanest code in the business—no confusing acronym soup here.
How far is DTW from downtown Detroit?
DTW sits about 18 miles southwest of downtown Detroit. That’s roughly a 30-minute drive, depending on traffic. The SMART bus and rideshare apps like Uber make the trip straightforward.
What airlines fly out of DTW?
Delta Air Lines dominates DTW as its main hub, but you’ll also find American, United, Southwest, Spirit, and Frontier. International carriers like Air Canada, British Airways, and Lufthansa pop in too. Honestly, the variety here is impressive for a Midwestern airport.
What terminals does DTW have?
DTW runs two main terminals: McNamara and Davey. The McNamara Terminal, opened in 2002, handles most Delta flights. The Davey Terminal serves the rest of the airlines. Each has its own food court, shops, and amenities—no need to trek between them unless you’re catching a connecting flight.
How do I get from DTW to downtown Detroit?
You’ve got a few solid options. The SMART bus takes about 30 minutes and costs a couple bucks. Rideshare apps like Uber or Lyft are faster and drop you right at your hotel. If you’re renting a car, just follow I-94 east—it’s a straight shot.
What’s the best way to park at DTW?
Parking runs from $10/day in economy lots to $45/day in covered garages. If you’re flying Delta, the McNamara Terminal’s garage is convenient. For budget travelers, the economy lots are fine—just budget extra time for the shuttle. Pro tip: Book online for slight discounts.
Does DTW have free Wi-Fi?
Yes, DTW offers free Wi-Fi throughout both terminals. Just connect to the “DTW Free WiFi” network, agree to the terms, and you’re online. No password needed—it’s that simple. (Honestly, this is the kind of amenity that makes traveling less of a hassle.)
Can I use TSA PreCheck at DTW?
Absolutely. DTW has dedicated TSA PreCheck lanes in both terminals. You’ll find enrollment kiosks right in the ticketing areas, making it easy to sign up before your flight. If you’re a frequent traveler, this is a game-saver.
What dining options are at DTW?
DTW’s food scene is surprisingly solid. The McNamara Terminal food court serves up Michigan-style Coney dogs, while other spots offer everything from sushi to craft beer. Local favorites like Buddy’s Pizza and La Feria de Sabor bring regional flavors to the table. Honestly, you won’t leave hungry.
How many runways does DTW have?
DTW operates six runways, with the longest stretching 10,004 feet. That’s enough space for even the biggest jets. The airport’s layout handles heavy traffic smoothly—no chaotic runway shuffles here.
What’s the history of DTW’s name?
DTW’s name evolved with the airport itself. It started as Ford Air Transport Service in 1929, became Willow Run Airport in the 1950s, and finally Detroit Metropolitan Airport in 1947. “Wayne County” was added that same year to honor the region’s roots. The name stuck, and DTW became the official IATA code.
Is DTW the busiest airport in Michigan?
DTW is the busiest airport in Michigan by passenger volume, serving over 34 million travelers annually. Gerald R. Ford International in Grand Rapids comes in second, but DTW’s traffic dwarfs the rest. It’s the clear leader in the state.
What’s the longest runway at DTW?
The longest runway at DTW stretches 10,004 feet—plenty of room for even the largest commercial jets. For comparison, that’s longer than three football fields laid end to end. (And yes, it’s seen its share of 747s in its time.)
How early should I arrive at DTW?
For domestic flights, plan to arrive 2 hours early. International travelers should give themselves 3 hours. DTW’s security lines move efficiently, but rush-hour traffic and parking delays can sneak up on you. Better safe than sorry.
