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If you're a frequent flyer with Delta Air Lines, adding your traveler number to your reservation is one of the easiest ways to earn rewards and enjoy travel benefits. Whether you forgot to enter your SkyMiles number while booking or recently enrolled in the loyalty program, you can usually add your traveler number before your flight.
This guide explains how to add a traveler number to a Delta ticket, why it's important, and answers common questions travelers have before departure.
A traveler number is your loyalty program membership number, such as your Delta SkyMiles number, linked to your flight reservation. Adding this number allows Delta to recognize your membership and credit eligible miles after your trip.
If you have Global Entry, TSA PreCheck®, or another Known Traveler Number (KTN), you can also add it to your reservation to receive expedited security screening when eligible.
Yes. Delta allows passengers to add or update their traveler number even after purchasing their ticket. You can usually do this through the My Trips section, during online check-in, or by contacting Delta customer support.
It's recommended to add your traveler number before check-in to ensure your benefits and mileage are properly applied.
Follow these simple steps:
Once updated, your traveler number will be linked to your reservation.
If you forgot to add your traveler number earlier, Delta may allow you to enter or update it during online check-in before your flight.
If you're unable to update the reservation online, you can contact Delta's customer service. An agent can help add your traveler number to your existing booking.
You may also request a Delta representative to add your traveler number during airport check-in before your boarding pass is issued.
Adding your traveler number offers several advantages:
A Known Traveler Number is different from a frequent flyer number. It is issued through trusted traveler programs such as TSA PreCheck® or Global Entry and allows eligible travelers to access expedited airport security screening.
You can usually add both your SkyMiles number and your Known Traveler Number to the same reservation.
In many cases, updates become limited after check-in has been completed. If you've already checked in, contact Delta or speak with an airport representative as soon as possible to determine whether your traveler number can still be added.
To avoid last-minute issues, consider these tips:
Yes. You can usually add your SkyMiles number through the My Trips section, online check-in, or with assistance from Delta customer support.
Generally, yes, as long as the traveler number is added before travel or your flight qualifies for mileage credit according to Delta's program rules.
No. A SkyMiles number is your Delta frequent flyer membership number, while a Known Traveler Number is issued through trusted traveler programs like TSA PreCheck® or Global Entry.
Yes. Delta generally allows passengers to update or add their traveler number before departure.
Adding your traveler number to a Delta ticket is a simple step that helps you earn eligible rewards, receive loyalty benefits, and enjoy a smoother airport experience. Whether you're adding a SkyMiles membership number or a Known Traveler Number, updating your reservation before check-in can help ensure your travel benefits are properly applied. Before your next Delta flight, take a moment to verify your traveler information and enjoy a more rewarding journey.
