Last update: 5:25 p.m. ET. 

Airlines are waiving change fees across a number of states as a big winter storm moves across the southern United States. Scroll down for the latest rebooking-waiver policies in place at big U.S. carriers. 

American Airlines

Cities covered (Dec. 9-10): Asheville, North Carolina; Johnson City/Tri-Cities, Tennessee; Charlotte, North Carolina; Greensboro, North Carolina; Greenville/Spartanburg, South Carolina; Knoxville, Tennessee; Lynchburg, Virginia; Raleigh/Durham, North Carolina; and Roanoke, Virginia.

Cities covered (Dec. 7-8): Amarillo, Texas; Fayetteville/Northwest Arkansas; Joplin, Missouri; Oklahoma City; Springfield, Missouri; Stillwater, Oklahoma.

Waiver highlights: Eligible customers can make one change to their itineraries without paying a change fee or new fare. Travelers must rebook new travel by Dec. 15 for Southeast cities or by Dec. 11 for Plains cities. Travelers rescheduling travel beyond those dates may be able to rebook without a change fee, but they may have to pay a recalculated fare.

Full details: American's website

Delta Air Lines

Cities covered (Dec. 9-10): Asheville, North Carolina; Charlotte, North Carolina; Greensboro, North Carolina; Greenville-Spartanburg, South Carolina; Knoxville, Tennessee; Raleigh/Durham, North Carolina; Roanoke, Virginia; and Tri-Cities/Johnson City, Tennessee. 

Cities covered (Dec. 8): Fayetteville/Northwest Arkansas; Fort Smith, Arkansas; Oklahoma City; Springfield, Missouri; and Tulsa, Oklahoma.

Dates: Covers travel on Dec. 8.

Waiver highlights: Eligible customers can make one change to their itineraries without paying a change fee or new fare. Travelers must rebook new travel by Dec. 15 for cities covered by the Dec. 9-10 travel dates or by Dec. 11 for the other cities. Travelers rescheduling travel beyond those dates may be able to rebook without a change fee, but they may have to pay a recalculated fare.

Full details: Delta's website

Frontier Airlines

Cities covered (Dec. 7-8): Dallas/Fort Worth; Little Rock, Arkansas; Oklahoma City; Tulsa, Oklahoma; and Wichita, Kansas.  

Cities covered (Dec. 8-9): Charlotte, North Carolina; Greenville-Spartanburg, South Carolina; Knoxville, Tennessee; Memphis, Tennessee; Nashville, Tennessee; and Raleigh/Durham, North Carolina. 

Waiver highlights: Eligible customers can make one change to their itineraries without paying a change fee or new fare. Travelers must rebook new travel by Dec. 15. Travelers rescheduling travel beyond those dates may be able to rebook without a change fee, but they may have to pay a recalculated fare.

Full details: Frontier's website

Southwest Airlines

Cities covered (for travel on Dec. 8): Albuquerque; Amarillo, Texas; Lubbock, Texas; Oklahoma City; and Tulsa, Oklahoma.

Cities covered (for travel on Dec. 8-9): Little Rock, Arkansas; Memphis, Tennessee; and Nashville, Tennessee.

Cities covered (for travel on Dec. 8-9): Charlotte, North Carolina; Greenville-Spartanburg, South Carolina; and Raleigh/Durham, North Carolina.

Waiver highlights: Southwest does not charge change fees, but eligible customers can make one change to their itineraries without paying a recalculated fare. Flyers rescheduling for beyond 14 days of the original travel date can use the remaining balance from their original ticket toward a new fare.

Full details: Southwest's website

United Airlines

Cities covered: Albuquerque; Amarillo, Texas; Dallas/Fort Worth; Fayetteville/Northwest Arkansas; Liberal, Kansas; Little Rock, Arkansas; Lubbock, Texas; Oklahoma City; Santa Fe, New Mexico; Springfield, Missouri; Tulsa, Oklahoma; and Wichita, Kansas.

Dates: Covers travel on Dec. 7-8.

Waiver highlights: Eligible customers can make one change to their itineraries without paying a change fee or new fare. Travelers must rebook new travel by Dec. 11. Travelers rescheduling travel beyond those dates may be able to rebook without a change fee, but they may have to pay a recalculated fare.

Full details: United's website