American Airlines says it doesn’t expect significant disruptions to flights this week as a result of a labor strike at its hub in Charlotte, North Carolina.

Service workers at Charlotte Douglas International Airport are voting on whether to go on a 24-hour strike around Thanksgiving amid complaints about low wages and poor working conditions.

One US Air Force veteran said he suffered from excruciating pain while flying United because there was no wheelchair service ready even after his wife requested service well before their travel dates.