Houston's Hobby Airport, a key piece of New Orleans' Louis Armstrong Airport and Southwest Airlines' travel schedules, is closed until Wednesday morning, the FAA has announced.
The airport is expected to reopen Wednesday at 8 a.m.
Houston's George Bush Intercontinental Airport, which files to both New Orleans and Baton Rouge's airports, is also closed. The FAA expects that airport might reopen noon Monday.
Flooding from once-Hurricane Harvey is crippling the Houston area, swallowing major roadways and homes.