Michael Schoenfeld/Courtesy of Salt Lake City Department of Airports

Best: No. 1 Salt Lake City International Airport (SLC)

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Flights Delayed: 12.9%

This Delta hub retained the top spot for punctuality for the fifth time since 2008, despite a 1.2 percent uptick in delays year over year. More than 90 percent of flights depart on time for 12 hours each day at SLC. Just avoid the dinnertime twilight zone, when nearly a third fall behind schedule.

Best Time Window: 6–10 a.m.

Worst Time Window: 6–8 p.m.

America's Best and Worst Airports for Flight Delays

Best: No. 1 Salt Lake City International Airport (SLC)

Flights Delayed: 12.9%

This Delta hub retained the top spot for punctuality for the fifth time since 2008, despite a 1.2 percent uptick in delays year over year. More than 90 percent of flights depart on time for 12 hours each day at SLC. Just avoid the dinnertime twilight zone, when nearly a third fall behind schedule.

Best Time Window: 6–10 a.m.

Worst Time Window: 6–8 p.m.

Michael Schoenfeld/Courtesy of Salt Lake City Department of Airports

America's Best and Worst Airports for Flight Delays

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