Hurricane Dorian is set to wreak havoc on air travel - here's what you need to know about flights

Travel waiver applies for passengers flying to, from, or connecting through the following airports on August 26 to 29:

• Punta Cana, Dominican Republic (PUJ)
• Port Au Prince, Haiti (PAP)
• San Juan, Puerto Rico (SJU)
• Santiago, Dominican Republic (STI)
• Santo Domingo, Dominican Republic (SDQ)
• St. Lucia, Saint Lucia (UVF)
• St. Thomas, Virgin Islands (STT)

The full waiver applies as long as you reschedule your flight for anytime on or before September 5 between the same cities and in the same cabin.

You can also cancel your flight and get a refund in the form of a credit. You'll have to use the credit to purchase a new ticket for travel within a year of the original purchase date.

Also, passengers traveling to, from, or through the following airports on August 30 to 31 are eligible for travel waivers under the same terms (as long as they rebook their flights for September 7 or earlier):

• George Town, Bahamas (GGT)
• Marsh Harbour, Bahamas (MHH)
• Nassau, Bahamas (NAS)
• Providenciales, Turks and Caicos Islands (PLS)

To change your flight, click "My Trips" in the Delta app or on the website.

Travel waiver applies for passengers flying to, from, and connecting through the following airports on August 28 to 29:

• Aguadilla, Puerto Rico (BQN)
• Ponce, Puerto Rico (PSE)
• San Juan, Puerto Rico (SJU)
• St. Thomas, Virgin Islands (STT)

The waiver applies as long as you reschedule your flight for anytime between through September 1 between the same cities and in the same cabin.

To change your flight, contact airline reservations at 800-538-2583, or make the change online yourself by clicking "manage flights" when you pull up your flight details.

If your flight ends up being cancelled, you can also opt for a full refund.

Travel waiver applies for passengers flying to, from, connecting through the following airports on August 28 to 29:

• Aguadilla, Puerto Rico (BQN)
• Punta Cana, Dominican Republic (PUJ)​
• San Juan, Puerto Rico (SJU)

The full waiver applies as long as you reschedule your flight for anytime by September 1 between the same cities and in the same cabin.

To change your flight, contact airline reservations at 800-864-8331, or make the change online yourself through the United website or app.

Travel waiver applies for passengers flying to, from, and connecting through the following airports on August 26 to 30:

• Providenciales, Turks and Caicos Islands (PLS)
• Punta Cana, Dominican Republic (PUJ)
• San Juan, Puerto Rico (SJU)

And the following airport on August 27 to September 1:

• Nassau, Bahamas (NAS)

And these airports August 31 to September 2:

• Fort Lauderdale, Florida (FLL)
• Orlando, Florida (MCO)
• West Palm Beach, Florida (PBI)

The waiver applies as long as you reschedule your flight for anytime within 14 days of the original travel date between the same cities and in the same cabin.

To change your flight, contact airline reservations at 800-435-9792, or make the change online yourself by using the Southwest app or website.

Travel waiver applies for passengers flying to, from, or connecting through the following airports on August 26 to 30:

• Punta Cana, Dominican Republic (PUJ)
• San Juan, Puerto Rico (SJU)

Affected passengers can make one change. The waiver applies as long as you reschedule your flight for anytime on or before September 20 — passengers are allowed to change their origin or destination cities.

To change your flight call reservations at 801-401-9000.

Travel waiver applies for passengers flying to, from, or connecting through the following airports on August 27 to 30:

• Aguadilla, Puerto Rico (BQN)
• Port-au-Prince, Haiti (PAP)
• Punta Cana, Dominican Republic (PUJ)
• Santo Domingo, Dominican Republic (SDQ)
• San Juan, Puerto Rico (SJU)
• Santiago, Dominican Republic (STI)

The full waiver applies as long as you reschedule your flight for travel on or before September 5 between the same cities. Change fees will be waived if you reschedule for a later date, but you may have to pay a fare difference.

To change your flight, visit the "manage travel" page and enter your flight information, or call reservations at 801-401-2222.