Courtesy of Philadelphia International Airport

Best: No. 10 Philadelphia International Airport (PHL)

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Flights Delayed: 18.7%

Solid on-time scores throughout the afternoon and evening helped PHL earn high marks. At least 73 percent of flights leave as scheduled during every hour of the day but one. US Airways also dominates the departure and arrival boards in Philly; 42 percent of all passengers are booked on its planes.

Best Time Window: Before 2 p.m.

Worst Time Window: 7–8 p.m.

America's Best and Worst Airports for Flight Delays

Best: No. 10 Philadelphia International Airport (PHL)

Flights Delayed: 18.7%

Solid on-time scores throughout the afternoon and evening helped PHL earn high marks. At least 73 percent of flights leave as scheduled during every hour of the day but one. US Airways also dominates the departure and arrival boards in Philly; 42 percent of all passengers are booked on its planes.

Best Time Window: Before 2 p.m.

Worst Time Window: 7–8 p.m.

Courtesy of Philadelphia International Airport

America's Best and Worst Airports for Flight Delays

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