Delta Air Lines is adding flights out of South Florida, as residents scramble to evacuate.
The added flights from Miami, Palm Beach, Fort Lauderdale and Key West will come into Atlanta, Delta's largest hub.
The Atlanta-based airline said the planes it is adding on the routes are narrow-body and wide-body jets, including Boeing 757s.
The two largest carriers at Hartsfield-Jackson International Airport -- Delta and Southwest Airlines -- have cancelled flights in the Caribbean due to Hurricane Irma.
Both airline are also allowing travelers to make changes to their travel plans if they had flights booked to cities in the hurricane's path during a set period.
Delta said it has also capped fares at $399 one way for flights to and from southern Florida through Sept. 13. Delta is also waiving fees on pets in the cabin and checked baggage.
The airline is also adding flight capacity out of San Juan, Puerto Rico to enable more people to evacuate.
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Hurricane Irma: Live updates Delta is adding flights out of Miami, Palm Beach, Fort Lauderdale and Key West as residents evacuate.