Does United assign seats before check-in?

With Basic Economy, you'll automatically be assigned a seat before boarding, and you won't be able to change your seat once it's assigned. Advance seat assignments may be available for purchase during booking and up until check-in opens.



As of 2026, United Airlines generally allows passengers in most fare classes to select or be assigned a seat at the time of booking or any time before check-in. If you are flying in United Economy, Economy Plus, or a premium cabin, you can choose your seat through the "My Trips" section of the website or app immediately after purchase. However, for those on a Basic Economy ticket, United does not assign a seat for free until check-in begins 24 hours before departure. Basic Economy travelers who want a specific seat earlier must pay a seat assignment fee. Additionally, if you haven't selected a seat by the time check-in opens, United’s system will automatically assign you one for free based on remaining availability. For families, 2026 policies ensure that children under 12 are seated next to at least one adult on the same reservation at no extra charge, regardless of the ticket type, often handled by the system automatically before the flight.

People Also Ask

At check-in. All Premier members are eligible for complimentary Economy Plus seating. Premier Gold, Platinum and 1K members have complimentary access to Economy Plus seating at booking, and Premier Silver members have complimentary access at check-in, when available.

MORE DETAILS

Keep in mind that upgrading to Economy Plus will only net you more legroom, guaranteed in-seat power access and a seat closer to the front of the plane; it will not get you an additional baggage allowance.

MORE DETAILS

In fact, most regular airlines now charge for seat selection anyways. It's often around $10-$30 per seat per flight segment, so if you cave in and pay for that, it can add up quickly. You shouldn't do it. No matter which airline you're flying on, don't ever pay to select a seat.

MORE DETAILS

For all fare classes except Basic Economy, you'll be able to pick your seat or change your seat assignment. If you have a Basic Economy ticket, you're able to purchase a seat assignment during booking and up until check-in opens. Learn more about Basic Economy restrictions.

MORE DETAILS

Your seats will be automatically allocated during check-in. You'll see your seat number on your boarding pass. Tip: If you want to sit with your fellow travelers, we strongly advise you to select your seats in advance. Some budget airlines deliberately split the travelers unless you pay for the seat allocation.

MORE DETAILS

Faster boarding = big savings Under the new United plan that starts October 23, people with window seats in economy class (and no frequent flyer status) will board first. Aisle seats will be last. As for middle seats, well -- they're in the middle for boarding, too.

MORE DETAILS

After you finish booking your flight (or during the process, depending on the airline), you should click to view the seat map and make your pick. If you book your flight with friends or family members on the same reservation, they will likely be assigned seats nearby automatically.

MORE DETAILS

If you were not assigned a seat, this likely means you booked a Basic Economy fare, which do not permit assigned seats prior to airport arrival. If you did not book a Basic Economy ticket, it could mean that the airline is not permitting pre-assigned seating at this time or they may only assign seating at Check In.

MORE DETAILS

Emphatically, no. You will likely get assigned a seat during check-in (though you should still skip it if the airline tries to tack on a fee) or, at the very least, at the gate. Again: You don't have to select a seat in order to get a seat. You just might get stuck with a suboptimal one if you choose to skip it.

MORE DETAILS

The cheapest way to get a business or first-class ticket is to buy an economy ticket then buy an upgrade.

MORE DETAILS

Who gets Priority Boarding. Priority Boarding is available on select United- and United Express®-flights worldwide. If there is Priority Boarding on your flight, you can add it to your United Economy® or Economy Plus® ticket. Passengers flying in Basic Economy cannot purchase Priority Boarding.

MORE DETAILS

United restricts full-sized carry-ons for its basic economy tickets. Basic economy tickets are ineligible for refunds and don't include seat selection. Economy Plus features standard economy seats with extra legroom. Standard economy includes seat selection and a free carry-on.

MORE DETAILS

They're among the most restrictive fares you'll find in the skies. While every other airline allows you to bring a carry-on bag while flying basic economy, United does not. And that means you can't check in online, either.

MORE DETAILS

United Airlines
United's family seating policy guarantees families with children under age 12 in certain cabins can sit together for free, regardless of fare type.

MORE DETAILS

If you don't check in, you won't receive a boarding pass that allows you to board the plane, and your seat might be given up to a standby passenger. The check-in process also confirms your traveler details like your passport information and frequent flyer number.

MORE DETAILS