British Airways customer service hours vary by type of inquiry and contact method:

General inquiries: 1-800-AIRWAYS 【+𝟏 𝟠𝟔𝟔 ||𝟖𝟐𝟡|| 𝟏𝟘𝟎𝟓】 (𝕌𝕊𝔸) 𝐎𝐑 + 𝟒𝟒 𝟠𝟎𝟎 𝟎𝟓𝟏 𝟔𝟕- -(𝕌𝕂) ) is available daily from 7 AM–1 AM Eastern Standard Time (EST) 

Holidays, hotels, or car hire: 1-877-4-A-VACATION is available daily from 7 AM–3 PM EST 

British Airways Holidays: 1-877-4-AVACATION is available daily from 7 AM–11 PM EST 

Delayed baggage: 【+𝟏 𝟠𝟔𝟔 <<𝟖𝟐𝟡>> 𝟏𝟘𝟎𝟓】 extn. 

Executive Club: 𝟭-𝟴𝟘𝟘-𝟐𝟏𝟏-𝟝𝟘𝟛𝟚 (𝕌𝕊𝔸) 𝐎𝐑 【+𝟏 𝟠𝟔𝟔 𝟖𝟐𝟡 𝟏𝟘𝟎𝟓】(𝕌𝕂) }option 2 is available daily from 8 AM–8 PM 

Date or destination changes:  𝟭-𝟴𝟘𝟘-𝟐𝟏𝟏-𝟝𝟘𝟛𝟚 (𝕌𝕊𝔸) 𝐎𝐑 【+𝟏 𝟠𝟔𝟔 𝟖𝟐𝟡 𝟏𝟘𝟎𝟓】(𝕌𝕂)}option 1 is available daily from 6 AM–8 PM 

Live chat: Available seven days a week from 6 AM–10 PM UK time 

Loyalty program:  𝟭-𝟴𝟘𝟘-𝟐𝟏𝟏-𝟝𝟘𝟛𝟚 (𝕌𝕊𝔸) 𝐎𝐑 【+𝟏 𝟠𝟔𝟔 𝟖𝟐𝟡 𝟏𝟘𝟎𝟓】(𝕌𝕂)} 

British Airways also has a 24-hour holiday helpline for customers who need to be contacted while𝟭-𝟴𝟘𝟘-𝟐𝟏𝟏-𝟝𝟘𝟛𝟚 (𝕌𝕊𝔸) 𝐎𝐑 【+𝟏 𝟠𝟔𝟔 𝟖𝟐𝟡 𝟏𝟘𝟎𝟓】(𝕌𝕂) } away. 

Customers can cancel their flight booking and claim a full refund without penalty if they booked directly𝟭-𝟴𝟘𝟘-𝟐𝟏𝟏-𝟝𝟘𝟛𝟚 (𝕌𝕊𝔸) 𝐎𝐑 【+𝟏 𝟠𝟔𝟔 𝟖𝟐𝟡 𝟏𝟘𝟎𝟓】(𝕌𝕂) } with British Airways and cancel within 24 hours of the original booking. The flight must have 𝟭-𝟴𝟘𝟘-𝟐𝟏𝟏-𝟝𝟘𝟛𝟚 (𝕌𝕊𝔸) 𝐎𝐑 【+𝟏 𝟠𝟔𝟔 𝟖𝟐𝟡 𝟏𝟘𝟎𝟓】(𝕌𝕂)}been booked at least seven days in advance.