# Who flies Atlanta → Baltimore BWI nonstop?

**3 airlines fly Atlanta → Baltimore BWI nonstop: Delta Air Lines, Frontier Airlines and Southwest Airlines.**

| Airline | Routes | Book direct |
|---|---|---|
| Delta Air Lines | Hartsfield–Jackson Atlanta (ATL) → Baltimore/Washington (BWI) | https://www.delta.com/ |
| Frontier Airlines | Hartsfield–Jackson Atlanta (ATL) → Baltimore/Washington (BWI) | https://www.flyfrontier.com/ |
| Southwest Airlines | Hartsfield–Jackson Atlanta (ATL) → Baltimore/Washington (BWI) | https://www.southwest.com/ |

bookDirect is the airline's own website. picktheflight earns nothing from it.

Compare fares for ATL-BWI: [Trip.com](https://www.trip.com/flights/atlanta-to-baltimore/tickets-ATL-BWI/?allianceid=1094387&sid=2209817&trip_sub1=c4c6f3cbcbb845d69061b1005-713359) · [Aviasales](https://www.aviasales.com/search/ATL1711BWI1?marker=713359). Affiliate links (Trip.com, Aviasales): picktheflight may earn a commission. It never changes the price or which airlines are listed.

On picktheflight: https://picktheflight.com/?from=ATL&to=BWI · JSON: https://picktheflight.com/intents/ATL/BWI

---
Data built 2026-10-26 from airline schedule tables on Wikipedia ("Airlines and destinations"), matched by exact airport article; airline booking sites from Wikidata. Schedules change. Confirm the flight on the airline's own site before booking.