• Airlines + Airports

America's Worst Airports for Flight Delays

Most airports are doing better at on-time departures this year. But they may not be able to take credit—and certain airports still struggle mightily against the clock.

No. 4 Miami International Airport (MIA)

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Flights Delayed: 19.35%

Miami slid from its No. 8 spot and into the bottom five despite boosting its performance two points. If you want an excuse to spend another evening partying in the city, use this one: after 3 p.m., your odds of being delayed get stuck at about 25 percent. Stay up all night, on the other hand, and you can catch a likely on-time flight—as long as it’s before 8 a.m.

Best Time Window: Before 8 a.m.

Worst Time Window: 2–11 p.m. (especially 5–10 p.m.).

America's Worst Airports for Flight Delays

No. 4 Miami International Airport (MIA)

Flights Delayed: 19.35%

Miami slid from its No. 8 spot and into the bottom five despite boosting its performance two points. If you want an excuse to spend another evening partying in the city, use this one: after 3 p.m., your odds of being delayed get stuck at about 25 percent. Stay up all night, on the other hand, and you can catch a likely on-time flight—as long as it’s before 8 a.m.

Best Time Window: Before 8 a.m.

Worst Time Window: 2–11 p.m. (especially 5–10 p.m.).

Jeff Greenberg / Alamy
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