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Services and Amenities Make Your Way Easier At Allegiant Air DTW Terminal
| Baggage Allowance | Airport Facilities |
| Transit Information | Seats Selection and Enquiries |
| Kiosk Check-in | Airport and In-Flight Wifi |
| Unaccompanied Minor | Travel with Pets or Animals |
| In-Flight Entertainment | Flight Ticket Booking and Cancellation |
| Flight Information | Airport Lounges |
| Ticket Rescheduling | Pet Relief Area |
| Missing Luggage | Airport Counter Check-in |
| Duty-free Allowance | Visa-related Information |
| First Class and Business Class Seats Enquiries | Economy Class Seat Enquiries |
| Privilege Club | Delayed Flights |
| Immigration Services | Web / Online Check-in |
| Concierge Services |
