Louis Armstrong Airport in New Orleans has opened its much-anticipated 35-gate terminal.

The new $1.3 billion facility replaces the previous 1950s-era facilities at the airport -- the first full landside replacement at one of the 50 busiest U.S. airports since Indianapolis in 2008. The shift was implemented overnight between Tuesday and Wednesday as planes began arriving and departing from the new terminal's gates.

"The new terminal sure looks good with passengers in it," the airport posted on Twitter Wednesday morning.

Among other items, the three-concourse terminal features a consolidated TSA screening area, a modernized baggage-handling system and restaurant and retail enhancements.

Wednesday's opening follows two delays this year; opening dates had previously been set for February and May. The city blamed late-state logistics problems for the final delay.

No significant operational problems were being reported at the airport on Wednesday, according to the website FlightAware.

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