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If you are asking “Why can’t I check in on LATAM Airlines?”, the problem may not be a technical failure at all. LATAM uses different check-in procedures depending on your route, how you purchased the ticket, and whether your flight is operated by LATAM or another airline.
For many eligible trips, LATAM's check-in process starts 48 hours before departure. LATAM says passengers can check in online from 48 hours until 2 hours before the first outbound flight, after which they need to check in at the airport counter. Some domestic tickets purchased directly from LATAM and operated by LATAM can have automatic check-in instead.
If your LATAM online check-in is not working, the first step is to determine which situation applies to your booking. This guide explains the most common causes and what to do next.
LATAM identifies several reasons why online check-in may not be available.
According to LATAM, you may not be able to check in online when:
Your eligible domestic flight is already set for automatic check-in.
You purchased a ticket through a travel agency or another website and need to complete your trip details first.
Your flight is international and requires you to complete the check-in process.
Your flight schedule has changed or the flight has been cancelled.
Your itinerary includes another airline and that airline handles the check-in.
Your booking requires airport processing.
You are outside the online check-in window.
Understanding which category your trip falls into can save you from wasting time trying to fix a problem that is actually part of LATAM's normal check-in process.
LATAM's current guidance says its check-in process begins 48 hours before the flight for the applicable services. If you are trying to check in before that period, the system may not allow you to proceed.
For eligible trips, check-in is available up to 2 hours before the first outbound flight. After that point, LATAM directs passengers to airport check-in.
What to do: Check your scheduled departure time and try again once you are inside the applicable check-in window.
This can be confusing because you may expect to perform LATAM check in yourself.
LATAM says that when you purchase an eligible domestic flight directly through LATAM and the flight is operated by LATAM, the airline can automatically check you in. The boarding pass should become available on the LATAM website or app around 48 hours before departure.
In that situation, you may not need to manually complete a traditional online check-in process.
What to do: Check My Trips and look for your boarding pass rather than repeatedly trying to start a new check-in.
The check-in process can be different when a ticket was purchased through a travel agency or another website.
LATAM says passengers who purchased applicable tickets through an agency or another website may need to enter their trip information beginning 48 hours before departure to activate automatic check-in.
If your agency gave you several reference numbers, make sure you are using the information associated with the LATAM reservation.
LATAM says passengers traveling internationally need to complete the required check-in process rather than relying on the same automatic-check-in arrangement used for certain domestic tickets purchased directly from LATAM.
International travel can also involve additional document checks.
If you are unable to complete the process online, do not assume that your ticket is invalid. You may need to complete document verification at the airport.
A schedule change or cancellation can interfere with the normal online check-in process.
LATAM specifically lists a flight time change or cancellation among the reasons you may be unable to check in online. The airline recommends reviewing the new suggested flight option first.
What to do: Check your current itinerary rather than relying on the original booking confirmation.
If LATAM has proposed a replacement flight, review that option before attempting check-in again.
A common source of confusion is a codeshare or connecting itinerary involving another carrier.
LATAM says that if another airline operates the relevant flight, you may need to complete check-in through that airline's website. If the reservation code is different, LATAM says passengers can obtain the applicable information through its Contact Center.
There is an exception for Delta flights: LATAM says passengers with a Delta-operated flight purchased through LATAM can check in through LATAM, although automatic check-in does not apply in the same way.
What to do: Check the operating airline shown on your itinerary before trying to check in.
LATAM's My Trips system asks passengers to enter their order number or reservation code and last name to locate a trip.
If you have an order number and a reservation code, do not assume they are interchangeable in every situation. LATAM explains that its newer system uses an order number to identify purchases, while reservation codes continue to be used for certain tickets and actions.
What to do: Compare the information you enter with the booking confirmation and use the identifier requested on the LATAM page.
LATAM's check-in process can require travel-document information. The airline describes check-in as a process in which passengers provide details such as their travel-document information.
If required information is missing or does not match your reservation, online check-in may not complete.
Check your passenger information carefully and make sure the details correspond to your travel documents.
Sometimes LATAM online check-in not working is genuinely a technical issue.
A page may fail to load, a session may expire, or the app may not complete the final step.
Try:
Refreshing the page.
Closing and reopening your browser.
Using another browser.
Trying the LATAM app.
Switching between Wi-Fi and mobile data.
Trying another phone or computer.
Signing out and back into your account.
Retrying after a short period.
If the same error occurs across multiple devices and connections, check your itinerary and airport options rather than assuming the problem is your device.
If you receive a LATAM check-in error, use this troubleshooting sequence.
Determine whether your flight is within the applicable LATAM online check-in period.
LATAM states that eligible passengers can check in from 48 hours before departure and up to 2 hours before the first outbound flight.
Before attempting another check-in, open My Trips.
LATAM says passengers can use the website to view their itinerary and boarding pass by entering their order number or reservation code and last name.
Your check-in may already have been completed automatically.
This matters because LATAM's automatic-check-in rules differ between eligible domestic flights and international flights.
Look at your itinerary and identify the operating airline.
If another airline operates the flight, you may need to check in through that carrier instead.
Look for notifications about a changed or cancelled flight.
If the schedule changed, review LATAM's new suggested itinerary before trying to check in again.
LATAM says the boarding pass can be accessed through its app as well as its website.
If the website is giving you trouble, the app is a practical alternative.
If you still cannot check in online, LATAM says passengers can check in at airport self-service modules or at the counter.
If what to do if LATAM online check-in fails is your immediate concern, do not assume you have missed your flight.
First determine why the online process failed.
If it is before the check-in window, wait until the service becomes available.
If your flight has automatic check-in, look for your boarding pass in My Trips or the LATAM app.
If your flight has changed or been cancelled, review the new itinerary.
If another airline operates your flight, follow that airline's check-in instructions.
If none of these explanations apply and the website or app still refuses to complete check-in, use LATAM's airport check-in facilities.
If you are searching for your LATAM boarding pass, there are several places to look.
LATAM says you can access the boarding pass through:
My Trips on the LATAM website
The LATAM app
An email sent by LATAM
WhatsApp, where applicable
LATAM recommends saving the boarding pass on your phone so you can access it without an internet connection.
If you cannot see your boarding pass, LATAM advises passengers to go to an airport counter on the day of travel for assistance.
For certain international journeys, the boarding pass may be provided at the airport because of documentation checks.
Therefore, not seeing a digital boarding pass does not automatically mean your reservation has been cancelled.
Yes.
LATAM says passengers who cannot complete check-in through its website or app can check in at the airport using self-service modules or an airport counter. The airline will provide the boarding pass needed to board.
If your online check-in fails, arrive with enough time to complete all airport procedures rather than treating online check-in as your only option.
Online check-in does not mean your checked baggage has already been handed over to LATAM.
LATAM says passengers with checked baggage can use self-service facilities to tag and drop their bags where those facilities are available.
If you cannot check in online, allow additional time for both passenger check-in and baggage processing at the airport.
LATAM says that after you complete check-in for the outbound flight, the relevant details can be saved and the airline may automatically check you in for the return flight 48 hours before departure under its automatic-check-in process.
This means you may not need to repeat the entire process manually.
However, check your return boarding pass before traveling because eligibility for automatic check-in depends on the type of trip.
It depends on the operating carrier.
LATAM says Delta-operated flights purchased through LATAM can be checked in through LATAM, but automatic check-in does not apply in the same way.
For flights operated by other airlines, LATAM directs passengers to the relevant airline for check-in.
Always check the operating-carrier information on your itinerary.
If your flight has been rescheduled, do not continue using the old flight information.
LATAM specifically identifies flight time changes and cancellations as situations in which online check-in may not be available. The airline recommends first reviewing the new suggested flight option.
Once the current itinerary is confirmed, try accessing your trip again.
Use this checklist if your LATAM flight check-in is not working:
Confirm that you are within the 48-hour check-in period.
Check whether your eligible domestic flight has automatic check-in.
Open My Trips and look for your boarding pass.
Verify your order number or reservation code.
Enter the passenger's last name correctly.
Confirm whether your flight is domestic or international.
Check whether another airline operates the flight.
Look for a recent schedule change or cancellation.
Try another browser.
Try the LATAM app.
Switch internet connections.
Try another device.
Save any error message or screenshot.
Go to an airport counter or self-service kiosk if online check-in remains unavailable.
If your departure is approaching and the website or app still will not complete check-in, stop spending valuable time refreshing the page.
LATAM explicitly provides airport alternatives for passengers who cannot check in online, including self-service modules and counters.
Bring your booking information and required travel documents and allow sufficient time for airport processing.
The objective is to complete the check-in process—not necessarily to obtain a digital boarding pass at all costs.
Possible reasons include being outside the check-in window, automatic check-in already applying to your flight, a recent schedule change or cancellation, an itinerary operated by another airline, incorrect booking information, or a technical issue. LATAM lists these among the reasons online check-in may not be available.
LATAM check-in may be unavailable because your flight is subject to automatic check-in, your itinerary has changed, another airline operates the flight, or your booking requires airport processing.
First check whether your flight is eligible for online or automatic check-in. Then verify your order number or reservation code, surname and itinerary. Try the LATAM app or another browser if the website continues to fail.
LATAM says eligible passengers can check in from 48 hours before departure. Its current guidance says online check-in is available until 2 hours before the first outbound flight, after which passengers need to check in at the airport counter.
Check whether your flight already has automatic check-in, look for your boarding pass in My Trips or the app, verify your itinerary, and try another device or browser. If the problem continues, check in at the airport.
The boarding pass may already be available in My Trips or the LATAM app. LATAM also says it may be accessible through email or WhatsApp. If you still cannot find it, go to an airport counter for assistance.
Yes. LATAM says passengers who cannot check in online can use airport self-service modules or go directly to a counter.
Eligible domestic flights purchased directly through LATAM and operated by LATAM can have automatic check-in. LATAM says the boarding pass becomes available on the website or app 48 hours before departure.
Automatic check-in depends on the type of booking and flight. LATAM says international flights and certain domestic flights purchased through agencies or other websites require passengers to complete their trip details themselves.
If another airline operates your flight, you may need to check in with that carrier. LATAM says passengers traveling with other airlines must use the corresponding airline's check-in process, while Delta-operated flights have a specific exception.
Yes. LATAM specifically lists cancelled flights and flight-time changes as situations in which online check-in may not be available. The airline recommends reviewing the new suggested flight option first.
LATAM's My Trips service asks for your order number or reservation code and the passenger's last name.
LATAM recommends saving the boarding pass on your phone so you can review it without an internet connection.
If you are searching “why can’t I check in on LATAM Airlines?”, the answer may be more straightforward than a website error. LATAM's check-in process depends on your route, booking source, operating airline and itinerary status.
Start by checking whether you are inside the 48-hour check-in window. Then look in My Trips to see whether automatic check-in has already generated your LATAM boarding pass. If your flight has changed, confirm the new itinerary. If another airline operates the flight, follow that carrier's check-in instructions.
If LATAM online check-in is not working after these checks, try another browser, device or the LATAM app. And if the online process still fails, you have an important fallback: LATAM says you can complete check-in at the airport using a self-service facility or counter.
The key is to deal with the problem early. A missing online boarding pass is frustrating, but it does not automatically mean you cannot fly. Checking your itinerary and using LATAM's airport check-in options can often resolve the situation.
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