When can I check in for my Delta flight?

Online check-in opens 24 hours before your scheduled departure time.

Can I check in at the airport?

Yes, you can check in at a self-service kiosk or with a Delta agent at the ticket counter.

What if I have bags to check?

You can pay for checked bags during online check-in and drop them off at the bag drop counter at the airport.

Why can't I check in online for my international flight?

You may need to have your passport or visa verified by an agent at the airport before a boarding pass can be issued.

What are the separate check-in, bag and gate times for Delta Air Lines?

Online check-in opens up to 24 hours before scheduled departure. At most U.S. airports, complete passenger check-in 30 minutes before departure without bags and check bags 45 minutes before departure. The international passenger baseline is 60 minutes. Be at the domestic gate, ready to board, 15 minutes before departure; internationally, Delta recommends 45 minutes. These gate times are not check-in deadlines. The guidance used here does not specify one universal online cutoff. Named airports can require earlier passenger or bag completion; check detailed timings and official tables.

Which airport, route or method exceptions apply to Delta Air Lines?

At JFK, domestic checked bags must be accepted 60 minutes before scheduled departure; passengers without checked bags must be checked in 45 minutes before it. At STT, the corresponding times are 90 minutes with bags and 60 minutes without bags. Other domestic airports can also require earlier completion. Named international airports require 75 minutes, 90 minutes or 2 hours before departure, with or without bags. These examples are not exhaustive; use Delta's linked domestic and international tables. U.S. airport bags are not accepted more than 6 hours before departure. Online/app opening is not an airport-counter opening.

Delta Air Lines Online Check-In (2026)

Delta online check-in opens up to 24 hours before scheduled departure; logged-in Fly Delta users are automatically checked in then. At most U.S. airports, be checked in 30 minutes before departure without checked bags; check bags 45 minutes before departure. The international passenger baseline is 60 minutes. Delta does not publish one universal online cutoff in the guidance used here. Airport exceptions and separate gate requirements apply; see detailed timings and official airport tables.

Page updated: August 2026

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Check-In Timing

Airline	Delta Air Lines (DL)
Online check-in opens (Online check-in opens up to 24 hours before departure; logged-in Fly Delta users are automatically checked in then)	24 hours before scheduled departure This is the online opening time, not an airport-counter opening or a universal online cutoff. For online or app check-in. How to Check In \| Delta Air Lines · Verified 2026-10-10
Online check-in availability (Check your airport and itinerary)	The guidance used for this page does not specify one universal online cutoff. Passenger, bag and gate deadlines still apply. Passenger, bag and gate deadlines do not establish the online cutoff. The Delta guidance used here does not specify one universal online cutoff; operational deadlines still apply. For online or app check-in. How to Check In \| Delta Air Lines; Delta check-in time requirements · Verified 2026-10-10
Passenger check-in deadline (For domestic flights without checked bags at most U.S. airports)	30 minutes before scheduled departure Delta's domestic airport exception table applies; named airports can require 45 or 60 minutes without bags. This is not an online or app cutoff. Applies at the airport. Check-In Times at U.S. Airports \| Delta Air Lines · Verified 2026-10-10
Checked-bag deadline (For domestic flights with checked bags at most U.S. airports)	45 minutes before scheduled departure Delta's domestic table lists named exceptions, including JFK 60 minutes and STT 90 minutes with checked bags. This is bag tender/acceptance, not a universal passenger or online check-in closing time. Applies at the airport. Check-In Times at U.S. Airports \| Delta Air Lines · Verified 2026-10-10
Be at the gate, ready to board (For all customers on domestic flights)	15 minutes before scheduled departure This gate requirement is for domestic flights, not international flights. Passenger check-in and bag acceptance are separate requirements. Applies at the airport. Check-In Times at U.S. Airports \| Delta Air Lines · Verified 2026-10-10
Earliest checked-bag acceptance (For checking bags at U.S. airports)	No more than 6 hours before scheduled departure Bags not accepted more than 6 hours before scheduled departure; this is an earliest-acceptance boundary, not a late cutoff. Applies at the airport. Check-In Times at U.S. Airports \| Delta Air Lines · Verified 2026-10-10
Passenger check-in deadline (For international passengers; some airports require earlier check-in)	60 minutes before scheduled departure Delta's international table requires 75 minutes, 90 minutes or 2 hours at named airports, for both with and without checked bags. Not specifically an online/app closing time. Applies at the airport. Check-In Times at International Airports \| Delta Air Lines · Verified 2026-10-10
Recommended time to reach the gate (For international flights)	45 minutes before scheduled departure Recommendation, not a mandatory passenger or bag cutoff. Applies at the airport. Check-In Times at International Airports \| Delta Air Lines · Verified 2026-10-10
Checked-bag deadline (Domestic departures from JFK with checked bags)	60 minutes before scheduled departure Named domestic table example, not an exhaustive permanent exception list. Applies at the airport. Delta domestic and international check-in time requirements · Verified 2026-10-10
Passenger check-in deadline (Domestic departures from JFK without checked bags)	45 minutes before scheduled departure Named domestic table example, not an exhaustive permanent exception list. Applies at the airport. Delta domestic and international check-in time requirements · Verified 2026-10-10
Checked-bag deadline (Domestic departures from STT with checked bags)	90 minutes before scheduled departure Named domestic table example, not an exhaustive permanent exception list. Applies at the airport. Delta domestic and international check-in time requirements · Verified 2026-10-10
Passenger check-in deadline (Domestic departures from STT without checked bags)	60 minutes before scheduled departure Named domestic table example, not an exhaustive permanent exception list. Applies at the airport. Delta domestic and international check-in time requirements · Verified 2026-10-10
Check-In URL	https://www.delta.com/us/en/check-in-security/overview
Mobile App	Fly Delta app (iOS, Android)
Mobile Boarding Pass	Yes
Airport Kiosk	Yes

Delta's domestic and international airport tables set the rules for each named airport. Domestic airports can require earlier passenger and bag completion; named international airports require 75 minutes, 90 minutes or 2 hours before scheduled departure, with or without bags. These examples are not an exhaustive list. Check the linked official tables for your airport and itinerary. Official exception guidance

Step-by-Step Check-In Guide

Visit delta.com or open the Fly Delta app
Select 'Check In' and enter your confirmation number, SkyMiles number, or credit card number
Review your itinerary and add any checked bags
Select or change your seat if applicable
Pay any baggage fees
Download or print your boarding pass

Documents Needed

Confirmation number, SkyMiles number, or eTicket number. For international flights, a valid passport and any required visas or travel documents (like APIS information) are required.

Seat Selection

Seat selection is available during check-in. Basic Economy (Main Basic) passengers will be assigned a seat for free after check-in or at the gate, or can purchase a seat assignment in advance for a fee. Other cabins can select available seats for free.

International Check-In Rules

Passport details are required via APIS. You may not receive a digital boarding pass until your passport and visa (if applicable) are verified at the airport. Delta FlyReady can be used to verify documents in advance.

Group Check-In

Groups of 10 or more passengers traveling together can check in at the airport. For smaller groups on the same reservation, you can check in multiple passengers at once during the online check-in process.

Troubleshooting

1. 'Unable to check in online' - Often due to international document verification requirements; proceed to the airport. 2. 'Reservation not found' - Ensure you are using the correct 6-character alphanumeric confirmation code. 3. 'Check-in not available' - You may be trying to check in more than 24 hours before departure, or it's a codeshare flight operated by a partner airline.

Frequently Asked Questions

When can I check in for my Delta flight?: Online check-in opens 24 hours before your scheduled departure time.
Can I check in at the airport?: Yes, you can check in at a self-service kiosk or with a Delta agent at the ticket counter.
What if I have bags to check?: You can pay for checked bags during online check-in and drop them off at the bag drop counter at the airport.
Why can't I check in online for my international flight?: You may need to have your passport or visa verified by an agent at the airport before a boarding pass can be issued.
What are the separate check-in, bag and gate times for Delta Air Lines?: Online check-in opens up to 24 hours before scheduled departure. At most U.S. airports, complete passenger check-in 30 minutes before departure without bags and check bags 45 minutes before departure. The international passenger baseline is 60 minutes. Be at the domestic gate, ready to board, 15 minutes before departure; internationally, Delta recommends 45 minutes. These gate times are not check-in deadlines. The guidance used here does not specify one universal online cutoff. Named airports can require earlier passenger or bag completion; check detailed timings and official tables.
Which airport, route or method exceptions apply to Delta Air Lines?: At JFK, domestic checked bags must be accepted 60 minutes before scheduled departure; passengers without checked bags must be checked in 45 minutes before it. At STT, the corresponding times are 90 minutes with bags and 60 minutes without bags. Other domestic airports can also require earlier completion. Named international airports require 75 minutes, 90 minutes or 2 hours before departure, with or without bags. These examples are not exhaustive; use Delta's linked domestic and international tables. U.S. airport bags are not accepted more than 6 hours before departure. Online/app opening is not an airport-counter opening.