American Airlines said it had proactively canceled nearly 1,000 Sunday flights due to the storm. There are over 160 cancellations on Saturday.
The majority of the canceled Sunday flights are to and from Charlotte, North Carolina, where American has a big hub. The airline said it reduced operations at the Charlotte Douglas International Airport from Saturday night.
All flights to and from Charlotte on American regional partners are canceled for Sunday and more than two out of three of their Charlotte flights are canceled.
Since Charlotte is an important federal link to the US, cancellations also affect passengers that lead to and from non-storm destinations.
Southwest Airlines has canceled four flights to and from Charlotte on Sunday, in addition to interrupting the last four flights due to arrive at the airport on Saturday.
Travelers are advised to check their flight status before going to the airport.
US, Southwest and other airlines have experienced travel missions on site this week, so passengers are scheduled to fly to, from or through Charlotte and other cities to change their plans without penalty to get out of the storm.
Travelers who did not change their flights are entitled to a refund if the flight is canceled, even if they More: List: Airline abandons change charges for major winter storm in the south
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