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Services & Amenities Offered by United Airlines at SEA Terminal
| Ticket Booking and Cancellation | Baggage Allowance |
| Airport / Online / Self-service Kiosk Check-in | Airport Transfers |
| Unaccompanied Minor Service | Duty-Free Allowance |
| In-Flight Meals / Entertainment | Missing / Delayed / Lost Luggage |
| Airport Lounges | Flight Information / Flight Status |
| Delayed / Canceled Flights | Airport Facilities |
| Animal Relief Area | Boarding Class Enquiries |
| Frontier Miles | Delayed Flights |
| Valet Parking | Airport / Inflight Wifi |
