All the Information About Allegiant Air Baltimore/Washington International Thurgood Marshall Airport – BWI Terminal
| Airport Name | Baltimore/Washington International Thurgood Marshall Airport |
| Airport Address | 7050 Friendship Rd, Baltimore, MD 21240, United States |
| Terminal | Terminal D |
| Arrivals Terminal | Terminal D |
| Departures Terminal | Terminal D |
| Airport Code | BWI |
| Allegiant Air IATA Code | G4 |
| Allegiant Air ICAO Code | AAY |
| Ticket Counter Hours | Daily 24 Hours |
| Contact Number | +14108597111 |
| Official Website | https://www.allegiantair.com/ |
| Official Twitter | https://x.com/Allegiant/ |
| Official Facebook | https://www.facebook.com/Allegiant |
Allegiant Air Baltimore/Washington International Thurgood Marshall Airport – BWI Terminal Offers Premium Services And Facilities
| Airport Counter Check-in Options | Flight Reservations |
| Flying Blue Loyalty Programme | Flight Cancellations |
| Airport/Airline Lounges | Flight Ticket Rescheduling/Managing |
| Airport Transfers | Immigration Services |
| Information Desks | In-Flight Entertainment |
| Baggage Allowance | In-Flight Meals/Snacks |
| Cancelled Flights Assistance | Access to In-Flight Wifi |
| Delayed Flights Assistance | Lost, damaged, or delayed Luggage |
| Duty-Free Allowance | Online Check-in Options |
| Seat Upgradation Enquiries | Unaccompanied Minor Service |
List of All Allegiant Air terminals Around the World
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