United Airlines Check In

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Wasting time for check-in at the airport before a vacation can turn everyone’s mood sour. How about using the easy online check-in facility that allows you to check-in almost 24 hours before the scheduled flight without leaving the home. If you are flying with United Airlines, then you must read United Airlines check in policy to know the guidelines to avoid any inconvenience at the airport.  

United Airlines is known as the world’s largest airline not just by the number of destinations served but also by the number of passengers carried. United Airlines which is a major flag carrier in the USA with its headquarters in Willis Tower, Chicago. When it comes to its size, United Airlines is measured to be the largest airline in the USA which serves 345 domestic destinations and 118 international destinations in 48 countries. United Airlines becomes one of the five founding members of Star Alliances. 

United Airlines Check in Guidelines

United check-in policy ensures to provide customers the flexibility to check-in as per their convenience. There are several ways to check-in on United Airlines. You can either opt for online check-in which offers liberty to check-in from anywhere by using active internet connection. Those who are not tech-savvy, can always check-in at the airport easily at the self-service kiosk machine to avoid the long lines at the United Airlines check in counter. However, the airline also has certain guidelines and timing that passengers must follow to have an easeful flight experience. 

Online Check-in Time

As per United Airlines check in policy, the online check-in starts 24 hours before the scheduled flight departure. Online check-in allows passengers to choose preferred seats, pre-order mea. 

  • The online check-in closes one hour before the scheduled departure. 
  • Passengers who seek assistance at the airport must reach the airport at least 3 hours before to avoid any delay at the airport.

United Airlines Check in Time at Airport or Kiosks

  • Passengers who seek assistance for check-in, can check-in directly at the airport. 
  • The airport check-in counter and self service are operational as early as four hours  prior to departure. 
  • As per United Airlines check in policy, passengers can check-in until one hour before the scheduled flight on some routes. 
  • On some routes, passengers can proceed with United flight check-in until one hour before the flight. However, customers ust check-in 
  • Passengers checking-in at the airport may have to pay certain additional charges such as service or administration fees.

United Curbside Check-in

  • The United Airlines curbside check-in usually starts four hours to thirty minutes prior to checked departure, depending on the destination of the flight. 
  • The airline advises its passengers to complete the check-in within the designated time to avoid any last minute hassle or worse missing out the flight.

United Airlines check in Eligibility Criteria 

Who are eligible for United Airlines online Check-in 

  • Passengers who have valid tickets purchased via the official channels of the airline. 
  • United Airlines check in online is only applicable for the United Airlines flights not for codeshare or interline flights. 
  • Ticket reservations consisting of more than 9 passengers are eligible for Check In United.

Who are ineligible for United Airlines Online Check-in 

  • Passengers who don’t have a confirmed ticket will have to check-in at the airport. 
  • Those reservations that are made through a third party website, then passengers will have to check-in through the party itself. 
  • Unaccompanied minors are also not eligible for online check-in. 
  • Passengers travelling with pets or special assistance will have to check-in at the airport.

United Airlines check in Procedure 

United Airlines allows its passengers to check-in via various methods including self online, offlines methods. During United Airlines check in passengers can choose their preferred seat, add or purchase baggage allowance. 

Online Check-in

United AIrlines offers customers the option to check-in for their flight through the website and mobile app. 


  • Access the official website of United Airlines. 
  • Enter your credential to access your booking reservation.
  • Revisit the homepage and click on the check-in tab. 
  • Insert the confirmation or e-ticket number and last name of the passenger. 
  • Click the continue or sign-in tab 
  • Passengers can choose their preferred seats, pre-order meals, and additional services like purchasing baggage.

Mobile App

  • Download the United Airlines mobile app and access the homepage by inserting your username and password to proceed with United Check in. 
  • Navigate through the application and enter your reservation number and flight number and last name of the passengers. 
  • Those passengers who use mileagePlus members will need to enter the mileage number. 
  • Select the flight trip that you want to finish and check in on the following page. 
  • Choose your preferred seat, additional baggage allowance, and pre-order meals. 
  • Lastly, click on submit to check-in and receive e-boarding pass. At the airport, you can use the United mobile check-in.

Check-in through Self-Service Kiosk

Check-in at the self-service Kiosk usually takes a few minutes and saves you from the hassle of waiting in long queues. It is fairly easy to do United Airlines flight check-in with self-service kiosks. Self-service kiosks are located inside airport premises. 

  • Access the Kiosk machine. 
  • Enter your PNR, last name and flight number to find your reservation. 
  • Select baggage requirements and proceed to seat selection
  • Lastly, proceed to confirm checking and print your boarding pass.

Check-in at the Airport

Passengers can also check-in at the airport if they have spare time. At airport check-in counters, the check-in begins 24 hours to 1 hour before the scheduled departure time for domestic flights. While the check-in for international flights begins 24 hours to 2 hours before the scheduled departure.

The standard process of United flight check in at the counter involves you sharing your reservation details like PNR, flight departure date, and flight number to the staff present at the counter. 

United Airlines check in Baggage 

United Airlines baggage policy offers a generous baggage allowance which enables passengers to travel with plenty of baggage.

Carry-on Baggage

All passengers are allowed to take carry-on baggage depending on their cabin class and fare type. 

Passengers travelling on United flights must travel with a carry-on bag that fits in the overhead bin. The maximum baggage allowance for carry-on is 9 x 14 x 22 inches (23 cm x 35 cm x 56 cm) including handle and wheels. 

Personal Baggage

  • As per United Airlines flight check in, all the passengers travelling on United Airlines are allowed to carry one personal baggage which includes suitcase, handbag, laptop bag or infant baggage. 
  • A personal baggage must not exceed the dimension of 9 x 10 x 17 inches (22 cm x 25 cm x 43 cm).

Checked baggage

As per United Airlines baggage policy, passengers travelling in United Polaris, United First, Premium Economy can carry checked baggage. The maximum size of checked baggage is 30 x 20 x 12 inches (76 cm x 52 cm x 30 cm) including handles and wheels. However, the weight of the baggage depends on the cabin class and MileagePlus status as per United Airline check in baggage allowance. 

  • Passengers travelling in Economy and Premium Economy can carry 23 kg baggage.  
  • Passengers of Business Class, First Class and United Polaris are eligible to carry baggage weighing 32 kg.

Frequently Asked Questions

  • How do I check-in for my United Airlines flight?

    You can check-in to your United Airlines flight through multiple ways which includes online web check-in, mobile app check-in or offline check-in options that includes kiosk check and curbside check-in. 

  • How early can I check-in for my United Airline flight?

    You can check-in for your United Flight as early as 24 hours before the scheduled departure of the flight. The check closes 1 hour before the flight is airborne that leaves you with plenty of time to complete your check-in. 

  • Can I use United Airlines online check-in with Carry-on bag?

    Yes, you can use the online check-in option to check-in even if you are travelling with carry-on or checked baggage. However, you will have to pay excess baggage charges depending on your purchased fare type. 

  • Does United Airlines have a curbside check-in option?

    Yes, United offers curbside check-in that offers more convenience to the customers. Curbside check-in is mostly available at US airports. 

  • Does United Airlines allow passengers to check in within 15 minutes prior to departure? 

    No, passengers are not allowed to check-in within 15 minutes prior to flight departure. Usually, the check-in closes one hour before the scheduled departure and boarding closes 15 minutes before the flight is airborne. 

  • How do I check-in on a United Airlines flight online? 

    United Airlines online check-in can be done in two ways through the website and mobile app. You simply have to access the official website of United Airlines and insert your reservation number, flight number and last name to search for a specific flight. Select the flight and check-in to receive e-boarding pass. 

  • Do I need my e-ticket to check-in?

    Domestic passengers do not need to show e-tickets. A print copy of your flight ticket is enough to get a boarding pass. However, passengers travelling to certain international destinations may need to have a print copy to pass the security checks.

  • How many bags can I check-in for my United Airlines flight?

    United Airlines baggage allowance depends on the fare type purchased by the customers. The airline advised passengers to check the baggage allowance before travelling to avoid any unnecessary delay at the airport while travelling. 

  • How do I get my boarding pass? 

    You can get your boarding pass from online United Airlines Web check-in or can be downloaded from United Airlines Mobile app. Then you can either get it printed or you can show the digital version at the security checkpoint. 

  • How much does it cost to check on United Airlines?

    Economy Class passengers on domestic United Airlines flights will have to pay an additional baggage fee of $40 for checked baggage while for the second baggage will have to pay $45. 

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