Airports › Baltimore (BWI) › August 2023
Airport month · August 2023
Baltimore/Washington International Thurgood Marshall in August 2023
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.
In August 2023, reporting carriers scheduled 8,507 domestic departures from Baltimore/Washington International Thurgood Marshall (BWI). 64.0% left less than 15 minutes late and 68.2% reached their destination on time; 1.8% were cancelled.
Nationally that month, 76.7% of flights departed on time and 76.9% arrived on time, so BWI departures were 12.7 points below the national departure figure.
Flights arriving at BWI that month were on time 75.9% of the time (8,506 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 41%, air carrier 37% and national aviation system 19%.
- On time 68.2%
- Arrived 15+ minutes late 29.6%
- Cancelled 1.8%
- Diverted 0.4%
August 2023 against a year earlier, the airport's year and the nation
| Measure | Aug 2023 | Year earlier | BWI, 12 months to Jul 2026 | All reported flights, Aug 2023 |
|---|---|---|---|---|
| Departed on time | 64.0% | — | 71.7% | 76.7% |
| Arrived on time | 68.2% | — | 76.4% | 76.9% |
| Cancelled | 1.8% | — | 1.8% | 1.5% |
| Average departure delay (late minutes only) | 19.9 min | — | 16.5 min | 17.3 min |
| Scheduled departures a day | 284 | — | 259 | 20,100 |
| Scheduled departures | 8,507 | — | 94,429 | 602,987 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| WN Southwest Airlines | 6,251 | 73% | 65.8% | 13.0 min | 1.8% |
| NK Spirit Airlines | 563 | 7% | 68.2% | 18.9 min | 2.0% |
| DL Delta Air Lines | 466 | 5% | 80.0% | 10.9 min | 1.3% |
| AA American Airlines | 340 | 4% | 79.7% | 18.3 min | 2.1% |
| UA United Airlines | 325 | 4% | 84.3% | -1.6 min | 1.2% |
| F9 Frontier Airlines | 253 | 3% | 60.5% | 26.5 min | 4.0% |
| YX Republic Airline | 80 | 1% | 77.5% | 4.4 min | 1.3% |
| 9E Endeavor Air | 62 | 1% | 83.9% | 4.0 min | 1.6% |
| AS Alaska Airlines | 62 | 1% | 77.4% | 4.7 min | 1.6% |
| B6 JetBlue Airways | 62 | 1% | 67.7% | 23.9 min | 1.6% |
| MQ Envoy Air | 32 | 0% | 84.4% | -0.4 min | 0.0% |
| G4 Allegiant Air | 11 | 0% | 63.6% | 18.8 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| BWI–ATL | Baltimore to Atlanta | 589 | 72.2% | 15.8 min | 1.9% |
| BWI–MCO | Baltimore to Orlando | 476 | 62.8% | 18.6 min | 2.9% |
| BWI–BOS | Baltimore to Boston | 373 | 64.3% | 18.5 min | 1.3% |
| BWI–FLL | Baltimore to Fort Lauderdale | 352 | 65.9% | 16.8 min | 0.6% |
| BWI–DEN | Baltimore to Denver | 275 | 71.6% | 14.4 min | 0.4% |
| BWI–ORD | Baltimore to Chicago | 258 | 77.9% | 3.5 min | 1.2% |
| BWI–CLT | Baltimore to Charlotte | 245 | 73.1% | 15.3 min | 2.4% |
| BWI–TPA | Baltimore to Tampa | 240 | 67.5% | 8.2 min | 6.7% |
| BWI–MIA | Baltimore to Miami | 179 | 68.2% | 16.1 min | 1.1% |
| BWI–BNA | Baltimore to Nashville | 178 | 82.6% | 5.5 min | 0.6% |
| BWI–MDW | Baltimore to Chicago | 174 | 70.7% | 7.5 min | 2.3% |
| BWI–BUF | Baltimore to Buffalo | 170 | 64.7% | 15.5 min | 1.8% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left BWI on time in August 2023?
64.0% of 8,507 scheduled domestic departures left less than 15 minutes late, and 68.2% reached their destination on time. The national figures that month were 76.7% and 76.9%.
How does that compare with a year earlier?
August 2022 is outside the 36 months on file, or the airport had too few reported flights that month.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 2023; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for BWI · methodology · corrections.