Airlines at Baltimore/Washington International Thurgood Marshall Airport (BWI)
Baltimore, Maryland KBWI #26 US airport by passengers
Airlines operating at BWI, ranked by number of departures.
On-time performance at BWI
Based on 24,691 departures from May 2026 to July 2026. A flight counts as late when it leaves 15 or more minutes after schedule.
| Airline | Departures | Late |
|---|---|---|
| Southwest Airlines | 19,024 | 37.0% |
| Delta Air Lines | 1,426 | 18.4% |
| Frontier Airlines | 1,183 | 33.5% |
| United Airlines | 1,149 | 20.1% |
| American Airlines | 909 | 22.1% |
| Republic Airways | 470 | 17.4% |
| Alaska Airlines | 259 | 22.4% |
| Envoy Air | 161 | 13.0% |
Source: Bureau of Transportation Statistics, On-Time Performance of reporting carriers. Smaller regional carriers and some airlines are not included.
Airline presence
Southwest, United, American, Delta, Alaska, Frontier, Spirit, Sun Country, JetBlue, Allegiant, Avelo and Air Canada all fly from BWI, along with several international carriers.