Thunder Over Michigan at Willow Run and the airshow built on the factory that won the war

Thunder Over Michigan is the annual warbird airshow held at Willow Run Airport (KYIP) in Ypsilanti, Michigan, roughly 30 miles west of Detroit. What separates it from every other airshow on the calendar is its location: the same ground where Ford Motor Company mass-produced B-24 Liberators during World War II, turning out one bomber every hour by 1944. The 2026 show is shaping up to be one of the largest yet, with the Yankee Air Museum expanding both its performer lineup and static displays.

Why Willow Run Matters More Than Any Other Airshow Venue

In 1941, Henry Ford proposed something the aviation establishment called impossible: building heavy bombers on an assembly line, the same way he built cars. The B-24 Liberator was the most complex machine in mass production at the time, with thousands of parts and tens of thousands of rivets.

Ford built a factory that was the largest single-roof structure in the world at the time — 67 acres under one roof with an assembly line over a mile long. Early production was slow, and critics pounced. But by 1944, Willow Run was producing a completed B-24 every 60 minutes. The factory ultimately built over 8,600 Liberators.

The women who worked those lines are a major part of the Rosie the Riveter story. That iconic image traces directly back to the workforce at Willow Run. When you stand on the airshow crowd line, you’re standing where thousands of workers built the bomber that helped win the war in Europe.

What Makes the Airshow Worth the Trip

Thunder Over Michigan is a warbird-first airshow. That’s its identity. The Yankee Air Museum, which organizes the event, maintains deep relationships with warbird operators across the country and consistently assembles a serious lineup: B-25 Mitchells, P-51 Mustangs, F4U Corsairs, T-6 Texans, and historically, heavy bombers including the B-29 FIFI and B-17 Flying Fortress. The museum’s own B-25 Yankee Warrior serves as a centerpiece.

The show line is remarkably close. When a Mustang comes down the line at show center, you feel the Merlin engine in your chest. Prop wash reaches the crowd. This is not an airshow where performers are dots on the horizon.

The organizers understand pacing. The show builds deliberately — trainers first, then fighters, then heavy metal — with knowledgeable announcers who weave real history into every act. They’re telling you about the crews, the missions, and the lives connected to each aircraft, not just reading tail numbers.

The Ramp Walk and Static Displays

The static display area is where the deeper experience lives. Walk right up to warbirds close enough to smell hydraulic fluid, avgas, and old leather. The volunteer crews and mechanics working these aircraft carry decades of stories. The Yankee Air Museum’s own C-47 has a serial number that lines up with wartime Willow Run production records — a direct physical link between the factory floor and the flight line.

The Yankee Air Museum itself is worth a visit independent of the airshow. Its collection includes original factory tooling, photographs, and personal items from Willow Run’s wartime workforce, all connected to the aircraft parked on the ramp outside. It functions as a living timeline rather than a static exhibit.

Flying In: What Pilots Need to Know

Willow Run (KYIP) is a towered field that handles jet traffic, so have your plan together — but the runways are generous. Runway 5L/23R runs over 7,000 feet. Controllers are accustomed to general aviation traffic during the airshow weekend and are generally accommodating.

Check NOTAMs before departure. Special parking areas are established for fly-in traffic during the airshow, and ramp space fills fast, especially Saturday. Flying in Friday is strongly recommended. Friday serves as a soft opening with smaller crowds, a more relaxed ramp, and better access to aircraft and crews.

For instrument-rated pilots, southeast Michigan summer weather brings lake-effect conditions, afternoon buildups, and typical Midwest convective activity. Have an alternate ready.

Making a Weekend of It

Ypsilanti is a small town with solid restaurants and genuine character. Ann Arbor is immediately next door for a bigger-city option. Realistically, most visitors spend the majority of their time on the airport grounds — the kind of event where a planned few hours turns into an all-day stay.

Saturday is the main event day and carries an electric atmosphere: families, veterans in unit caps, and pilots from across the Midwest who flew in that morning. The crowd line fills with classic airshow food vendors while radial engines rumble in the background.

Supporting the People Who Make It Happen

The Yankee Air Museum runs on volunteer power. Volunteers begin planning months before the show and stay weeks after for cleanup. They preserve the history of Willow Run on limited resources. If you attend, consider purchasing a museum membership or contributing to their operations. These are the people keeping Willow Run’s story alive.

The airport itself nearly didn’t survive — years of development pressure, budget shortfalls, and the same threats that face historical aviation sites everywhere. The community and the museum fought to preserve it. Thunder Over Michigan is the proof that fight was worth having.

Key Takeaways

• Thunder Over Michigan is held at Willow Run Airport (KYIP) in Ypsilanti, MI — the WWII site where Ford produced a B-24 Liberator every hour, building over 8,600 total
• The airshow is warbird-focused with consistently strong lineups including Mustangs, Mitchells, Corsairs, and historically, heavy bombers like the B-29 and B-17
• Fly in Friday for the best experience — smaller crowds, relaxed ramp access, and better interaction with crews and aircraft
• The Yankee Air Museum on the field connects the wartime factory history directly to the aircraft on display
• The show is volunteer-driven — museum memberships and donations directly support preservation of one of America’s most important aviation heritage sites