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United Airlines·Star Alliance
How United seat selection works by fare, extra legroom options, upgrade routes, and the family seating rules that let children sit with a parent free.
Key Travel Facts & Insights
Free advance seat selection on United Economy and above. Basic Economy passengers may pay for a seat assignment or take whatever is assigned at check-in.
Economy Plus offers up to 6 inches of additional pitch and is complimentary for Premier members and their companions. It can be bought per flight or as an annual subscription.
Premier members receive complimentary upgrades using PlusPoints (Platinum and 1K) or complimentary Premier Upgrades on shorter routes. Cash and mileage upgrades are offered at booking and check-in.
United seats children 12 and under with an accompanying adult at no extra cost, including on Basic Economy, using an automated family seating system that runs after booking.
United operates: Basic Economy, United Economy, Economy Plus, United Premium Plus, United First / Business, United Polaris.
Free advance seat selection on United Economy and above. Basic Economy passengers may pay for a seat assignment or take whatever is assigned at check-in.
United seats children 12 and under with an accompanying adult at no extra cost, including on Basic Economy, using an automated family seating system that runs after booking.
Premier members receive complimentary upgrades using PlusPoints (Platinum and 1K) or complimentary Premier Upgrades on shorter routes. Cash and mileage upgrades are offered at booking and check-in.
Fare rules, baggage allowances and change policies differ by route and fare brand. Our consultants confirm the exact terms attached to your itinerary before you pay — and handle the change or refund if plans move.