Airports › Baltimore (BWI) › April 2024
Airport month · April 2024
Baltimore/Washington International Thurgood Marshall in April 2024
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 April 2024, reporting carriers scheduled 8,230 domestic departures from Baltimore/Washington International Thurgood Marshall (BWI). 72.7% left less than 15 minutes late and 75.3% reached their destination on time; 0.6% were cancelled.
Nationally that month, 80.5% of flights departed on time and 80.2% arrived on time, so BWI departures were 7.8 points below the national departure figure.
Flights arriving at BWI that month were on time 81.7% of the time (8,235 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 40%, air carrier 38% and national aviation system 20%.
- On time 75.3%
- Arrived 15+ minutes late 23.8%
- Cancelled 0.6%
- Diverted 0.2%
April 2024 against a year earlier, the airport's year and the nation
| Measure | Apr 2024 | Year earlier | BWI, 12 months to Jul 2026 | All reported flights, Apr 2024 |
|---|---|---|---|---|
| Departed on time | 72.7% | — | 71.7% | 80.5% |
| Arrived on time | 75.3% | — | 76.4% | 80.2% |
| Cancelled | 0.6% | — | 1.8% | 0.7% |
| Average departure delay (late minutes only) | 15.8 min | — | 16.5 min | 14.2 min |
| Scheduled departures a day | 274 | — | 259 | 19,406 |
| Scheduled departures | 8,230 | — | 94,429 | 582,185 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| WN Southwest Airlines | 6,118 | 74% | 73.9% | 9.0 min | 0.5% |
| NK Spirit Airlines | 535 | 7% | 82.6% | 0.3 min | 0.9% |
| DL Delta Air Lines | 433 | 5% | 87.8% | -1.9 min | 0.0% |
| AA American Airlines | 307 | 4% | 75.6% | 4.8 min | 1.0% |
| UA United Airlines | 262 | 3% | 82.1% | 3.1 min | 0.0% |
| F9 Frontier Airlines | 258 | 3% | 64.3% | 31.8 min | 3.9% |
| YX Republic Airline | 72 | 1% | 81.9% | 3.2 min | 0.0% |
| 9E Endeavor Air | 60 | 1% | 73.3% | 7.1 min | 3.3% |
| B6 JetBlue Airways | 56 | 1% | 75.0% | 2.8 min | 3.6% |
| MQ Envoy Air | 55 | 1% | 92.7% | -6.7 min | 0.0% |
| AS Alaska Airlines | 44 | 1% | 68.2% | 5.6 min | 0.0% |
| G4 Allegiant Air | 23 | 0% | 73.9% | 5.3 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| BWI–ATL | Baltimore to Atlanta | 530 | 77.7% | 4.6 min | 0.9% |
| BWI–MCO | Baltimore to Orlando | 469 | 74.6% | 14.9 min | 1.5% |
| BWI–FLL | Baltimore to Fort Lauderdale | 343 | 78.7% | 3.7 min | 1.2% |
| BWI–BOS | Baltimore to Boston | 339 | 74.6% | 7.1 min | 0.6% |
| BWI–TPA | Baltimore to Tampa | 284 | 77.8% | 11.0 min | 0.4% |
| BWI–CLT | Baltimore to Charlotte | 270 | 70.7% | 9.6 min | 1.1% |
| BWI–DEN | Baltimore to Denver | 259 | 68.7% | 11.4 min | 0.4% |
| BWI–MIA | Baltimore to Miami | 234 | 82.9% | 1.3 min | 2.1% |
| BWI–ORD | Baltimore to Chicago | 220 | 87.3% | 1.2 min | 0.0% |
| BWI–MDW | Baltimore to Chicago | 169 | 75.7% | 9.9 min | 0.6% |
| BWI–BNA | Baltimore to Nashville | 166 | 80.1% | 4.3 min | 0.0% |
| BWI–LAS | Baltimore to Las Vegas | 166 | 72.9% | 6.5 min | 0.6% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left BWI on time in April 2024?
72.7% of 8,230 scheduled domestic departures left less than 15 minutes late, and 75.3% reached their destination on time. The national figures that month were 80.5% and 80.2%.
How does that compare with a year earlier?
April 2023 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 April 2024; 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.