Amelia
By Amelia
Published September 4, 2025

How to Check in With Delta Airlines?

Check in is an important process that every passenger has to complete to get the boarding pass for its upcoming flight on Delta. Passengers has many options to finish Delta Airlines check in in the said time period. Additionally, Delta Airlines has its own set of rules that passenger has to consider before proceeding further. If you are wondering what those are, then the information below is for you. It includes check in rules, types of check in, process and other important things you should know about check in on Delta Airlines. So, check out carefully.

Get an Understanding of Delta Airlines Check in Policy

Delta Airlines has some essential conditions to complete the check in. To learn about them, go through the points below.

  • Delta Airlines provides different methods to complete the check in such as online, through mobile app or at the airport.
  • Passengers can complete the Delta Airlines online check in 24 hours before flight.
  • Delta Airlines also asks for a photo ID and boarding pass (if complete check in online) at airport.
  • International passengers may have to provide additional documents.
  • Reach airport maximum 2 hours when you have flight with in US and complete the check in till 45 minutes before departure.
  • On the contrary, for flights outside US, passengers have to reach the airport till 3 hours before flight and complete check in till 1 hour before flight.
  • The timings can be different for some selected airports.

Types of Check In for Delta Flights

Delta Airlines offers various ways to complete the Check in. Check them out below:

Online Check In

Delta Airlines online flight check in opens 24 hours prior to flight departure. You can use your booking confirmation code, flight ticket number or Sky Miles number to manage your booking.

Fly Delta App (Mobile Check In)

You can also complete the Delta Airline check in through its mobile app. Simply download the Fly Delta app on your mobile device to finish check in. Then, download your e boarding pass, choose a seat and make payment for checked bags prior reaching the airport.

Airport Check-In Options

Airport Kiosks

Delta Airlines also provides check in service through self service kiosks. You will find them at several corners at airport. Therefore, you can reach early to airport and, print your boarding pass and add checked bags.

Check in Desk

The other way to complete the check in is to speak to a Delta executive at airport helpdesk. The person will help you finish the check in process. You will find a corner specially dedicated for Delta flights. It also has a special Sky Priority boarding lane for following:

  • Gold
  • Platinum,
  • Diamond Medallion® Members and Delta One®,
  • Delta Premium Select and Delta First passengers.

Curbside Check-in

If you want to finish your check in right when you leave your car, then Delta Curbside check in is the option for you. It is usually located at any passenger drop off at different U.S airports. Through this, you can easily check your baggage as soon as you exit from your vehicle.

For oversize baggage, you have to come a little bit inside to oversized baggage area.

Delta Airlines does not charge any fee for it. However, you may pay a gratuity if you want.

How Long Before a Delta Flight Do You Check-In ?

Delta Airlines opens online check In window 24 hours before flight departure (domestic and international). However, if you want to complete the check in at the airport, then you have to consider the following Delta check in time depending on your flight.

Domestic Flight

  • Reach airport atleast 2 hours before flight
  • Check in till 30 minutes before flight departure if travelling without checked baggage
  • On the contrary, check in till 45 minutes prior to departure when travelling with checked baggage.

International Flight

  • Reach airport atleast 3 hours before flight departure.
  • Check in till 60 minutes before flight departure with or without checked baggage.

Note: The check in timings may vary for some selected airports. Check it by clicking here.

How Do I Check in For My Delta Flight Online?

You can use the simple steps below to complete the check in on Delta Airlines:

  • Visit Delta Airlines official website.
  • Log in to your account using booking confirmation number or Sky Miles Account details.
  • Go to “Manage my Bookings” section.
  • Choose the flight for which you have to complete Delta check in process.
  • Add a seat or baggage or any other service that you want during journey.
  • Then, look for “Check in “ tab.
  • Complete the check in process.
  • Enter all the requested information.
  • Print your e-boarding pass and keep it to show at the airport.

Process to Check In – Through FlyDelta App

You can start checking in on FlyDelta App, 24 hours before flight. For that, you have to follow the steps below.

  • Download and open Fly Delta App on your device.
  • Enter login details to enter “My Trips” section.
  • Look for check in option.
  • Enter details like Known Traveler Number or Passport in profile section under travel documents
  • You may also use the Touchless ID or Digital ID to access touchless bag drop when available.
  • Further, make payment for checked bags
  • Download the boarding pass and save it to your device.

How to Choose Best Method to Check In on Delta?

Delta Airlines offers different ways to check in. However, each check in option may not help you add all additional services. Therefore, check out the table below and make an informed decision accordingly.

Features Availability Delta Website Fly Delta App Airport Kiosk Curbside
Check in (24 hour before flight) Available Available Available (day of flight) Available (day of flight)
Add or pay for bags Available Available Available Available
Digital ID / Touchless Opt-in Need to use Touchless ID bag drop (only) Not Available Not Available Not Available
Boarding pass Available Available Available (Print) Available (Print)
Seat Upgrades and changes Available Available Limited Agent guided
Special assistance services Limited availability Limited availability Agent guided Available

As per above table, passengers can use mobile app for a touchless experience.

For quick prints, they should prefer Kiosk check in and

Curbside check in to book special assistance services

When Can I Check my Baggage on Delta Airlines?

You can check in your baggage on Delta at the following time, depending on your flight type.

Domestic Flights

  • You can reach the airport till 2 hours prior to flight
  • Check your baggage till 45 minutes left for flight departure.

International Flights

  • Reach atleast 3 hours before your international flight.
  • Check your baggage till 1 hour before your international flight

Delta Airlines allows you to check your baggage till 6 hours before flight.

What Documents Do I Need to Submit for Delta Airlines Check-in?

You have to provide the following documents to complete the check in on Delta Airlines.

  • Govt approved photo ID.
  • Passport in case of international flight
  • Visa
  • Boarding pass if finished, check in online.
  • Other additional documents as prescribed by Delta Airlines.

Delta Airlines Check-in Baggage Weight Requirements

Passengers have to fulfil standard weight requirements for checked baggage. According to that, passengers can bring two checked bags of 23 kgs each. However, they have to pay $35 for first checked baggage and $45 for second checked baggage.

Note: You can also carry excess baggage up to 45 kgs after paying an additional charge.

Conclusion

Delta Airlines constantly makes changes to its check in process to make it comfortable for passengers. Therefore, it offers passengers various ways to complete he check in process. The above information includes everything that passengers can use to complete Delta Airlines check in easily. Still, they can connect to Delta Airlines representative if they want more information. The executive will help them at every step.

FAQs

How early should you get to the airport for Delta Check in?

You have to reach the airport 3 hours before an international flight and 2 hours before a domestic flight.

What Time Does Delta Airlines Check In Open?

Delta Airlines check in starts 24 hours before flight departure and ends at 30 to 45 minutes before domestic flight and one hour before international flight.

How Early Can I Check In for an International flight?

You can reach the airport 3 hours before international flight and complete it till one hour left for departure.

How late can you check a bag on Delta Airlines?

You can check a bag 45 minutes before flight for domestic flight and 60 minutes before for international flight.

Does Delta automatically check me in?

Yes. Delta Airlines provides automatic check in for eligible passengers on selected domestic flights only.

Why won’t my flight let me check in online on Delta Airlines?

You may not be able to check in on Delta Airlines flight as you may require additional security screening, or your booking may have an issue, or due to error in Delta system.

Where can I contact Delta Airlines for check in?

You can contact Delta Airlines customer service at 800-221-1212 for help regarding check in.

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