After confirming revisions to its schedule, BA said its customers can call 0800 727 800 to find out whether their flight is affected, TravelMole reports.
Scott Davies, the airline's head of trade sales, told the travel news provider that he'd been "overwhelmed" at the show of support from the travel industry.
"It's vital that we continue to work together to ensure that our mutual customers are well looked after," he explained.
"It is only fair that we ensure the trade has a freephone number in order to help them rebook those customers who are affected by Unite's unjustified strike threat."
BA has said that both its short and long haul passengers travelling from Heathrow between March 19th and 31st will be able to re-book or cancel and obtain a refund.
United recently announced that BA cabin crew will take strike action between March 20th and 22nd and then between March 27th and 30th.
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