Post actualizado el día September 27, 2026 by DeiviSanzPlay
✨ Discover the step by step to check-in on Delta Air Lines online, at the airport or through the app. Avoid lines and fly stress-free!
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Checking in with Delta Air Lines is easier than it seems. The airline offers several options so you can choose the one that best suits you: online, through the app, or directly at the airport.
If you prefer to avoid lines, the best option is to do it online or with the mobile app. You only need your reservation and passport (on international flights). The process takes less than 5 minutes and you can select or change your seat.
At the airport, Delta has self-service kiosks and traditional counters. If you have checked baggage, you’ll need to go to the counter, but if you’re traveling with carry-on only, digital check-in will save you time.
International flight? Make sure to review the documentation requirements beforehand. Delta usually asks for valid visas and passports at check-in.
How to Check In Online with Delta
Delta Air Lines online check-in opens 24 hours before the flight. Just go to their website, enter your reservation number (or SkyMiles) and confirm your details.
Problems? Sometimes the system won’t allow check-in if the flight has complex layovers. In that case, call Delta or use the app. It can also happen if the baggage exceeds the allowed weight.
One advantage is that, when you check in online, you receive your digital boarding pass. You can save it on your mobile or print it. If you lose connection, no problem: the app saves the info offline.
Group flight? Delta allows check-in for up to 9 people at a time. Ideal for families or work trips.
Use the Delta App for Quick Check-in
The Delta app is one of the most efficient. In addition to check-in, it notifies you of flight changes, gates and even delays. Download it, log in and you’re done.
If you already used the website, the app syncs everything. You can even upload photos of your passport to speed up the process on international flights.
No space on your mobile? The mobile version of the website also works well, although with fewer features.
A trick: enable push notifications. Delta lets you know if upgrades are available or if there are last-minute changes.
Check-in at the Airport: Kiosks and Counters
If you prefer the airport, Delta has self-service kiosks. Scan your passport or enter your reservation, print your boarding pass and you’re done.
Checked baggage? Head to the counter afterward. Agents verify weight and documents. During peak hours, lines can be long, so arrive with time to spare.
At some airports, such as Atlanta or JFK, Delta offers fast bag drop for those who already checked in online. Just show your QR and drop off your bags.
No baggage? With your digital boarding pass, go directly to security. That saves you up to 20 minutes.
Common Mistakes When Checking In (and How to Avoid Them)
Mistake #1 is waiting until the last moment. If your flight leaves at 7 AM, check in at 7 PM the day before. That way you secure a better seat.
Another mistake: not checking the baggage policy. Delta charges for heavy or additional bags. Check their website before packing.
On international flights, some passengers forget to check visa requirements. If you don’t meet them, Delta can deny you boarding.
Technical problems? Always save screenshots of your check-in. Just in case.
Conclusion
Checking in with Delta Air Lines is easy if you plan ahead. Use the app for greater convenience, review documents and arrive at the airport early. Have a good trip!
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