If you want to know about the United 24-hour cancellation, read this blog carefully.

United cancellation policy
● you can make any free changes/cancellations on united airlines before 24 hours of the flight departure.

● United Airlines are not allowed to make any changes/cancellations after 24 hours of the flight departure.

● Airlines are not allowed to change or cancel if you once booked your united economy class ticket.

So, here is the crucial fact about the united airline's cancellation policy.