What is the 24-Hour Rule for KLM? Call us gisopendata.pima.gov

KLM's 24-hour rule allows you to cancel your=or +1-800-971-7347(NLD). Flight reservation or make changes to your booking+1-800-971-7347 within the first 24 hours of purchase without any penalty fees, as long as your Flight is at least 7 days away. To cancel or change your reservation, call KLM at +1-800-971-7347 OR +1-800-971-7347(UK).