Airports › Boston (BOS) › September 2024
Airport month · September 2024
Logan International in September 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 September 2024, reporting carriers scheduled 12,359 domestic departures from Logan International (BOS). 83.6% left less than 15 minutes late and 83.7% reached their destination on time; 0.4% were cancelled.
Nationally that month, 84.4% of flights departed on time and 83.9% arrived on time, so BOS departures were 0.8 points below the national departure figure.
A year earlier, in September 2023, the airport had 11,742 departures with 69.3% leaving on time: a change of +14.3 points, with flights up 5%.
Flights arriving at BOS that month were on time 79.8% of the time (12,370 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 42%, late-arriving aircraft 40% and national aviation system 17%.
- On time 83.7%
- Arrived 15+ minutes late 15.7%
- Cancelled 0.4%
- Diverted 0.2%
September 2024 against a year earlier, the airport's year and the nation
| Measure | Sep 2024 | Sep 2023 | BOS, 12 months to Jul 2026 | All reported flights, Sep 2024 |
|---|---|---|---|---|
| Departed on time | 83.6% | 69.3% | 74.4% | 84.4% |
| Arrived on time | 83.7% | 71.0% | 73.3% | 83.9% |
| Cancelled | 0.4% | 3.3% | 2.8% | 0.6% |
| Average departure delay (late minutes only) | 12.0 min | 24.6 min | 18.3 min | 10.6 min |
| Scheduled departures a day | 412 | 391 | 393 | 19,421 |
| Scheduled departures | 12,359 | 11,742 | 143,447 | 582,622 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| B6 JetBlue Airways | 3,490 | 28% | 82.3% | -0.8 min | 0.3% |
| DL Delta Air Lines | 2,208 | 18% | 83.3% | 0.9 min | 0.4% |
| YX Republic Airline | 2,167 | 18% | 88.2% | -4.2 min | 0.0% |
| AA American Airlines | 1,509 | 12% | 85.3% | -0.6 min | 0.3% |
| UA United Airlines | 1,105 | 9% | 87.0% | -4.4 min | 0.2% |
| WN Southwest Airlines | 619 | 5% | 85.6% | -1.1 min | 0.0% |
| NK Spirit Airlines | 614 | 5% | 75.1% | 8.3 min | 1.5% |
| AS Alaska Airlines | 227 | 2% | 81.1% | -2.3 min | 0.4% |
| F9 Frontier Airlines | 186 | 2% | 63.4% | 21.8 min | 4.3% |
| MQ Envoy Air | 176 | 1% | 75.0% | 4.3 min | 0.0% |
| G4 Allegiant Air | 41 | 0% | 90.2% | -9.8 min | 7.3% |
| HA Hawaiian Airlines | 17 | 0% | 70.6% | 3.8 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| BOS–DCA | Boston to Washington | 833 | 86.3% | -3.1 min | 0.0% |
| BOS–LGA | Boston to New York | 655 | 91.6% | -7.2 min | 0.0% |
| BOS–ORD | Boston to Chicago | 623 | 83.3% | 0.8 min | 0.2% |
| BOS–JFK | Boston to New York | 503 | 80.7% | 2.3 min | 0.0% |
| BOS–ATL | Boston to Atlanta | 478 | 79.1% | 6.1 min | 0.8% |
| BOS–CLT | Boston to Charlotte | 469 | 83.6% | -0.5 min | 1.9% |
| BOS–PHL | Boston to Philadelphia | 464 | 80.6% | 3.8 min | 0.0% |
| BOS–LAX | Boston to Los Angeles | 439 | 84.5% | 0.0 min | 0.0% |
| BOS–SFO | Boston to San Francisco | 407 | 82.8% | -2.4 min | 0.0% |
| BOS–EWR | Boston to Newark | 402 | 79.6% | 1.4 min | 0.5% |
| BOS–BWI | Boston to Baltimore | 359 | 84.1% | 0.4 min | 0.0% |
| BOS–DEN | Boston to Denver | 354 | 87.6% | -5.9 min | 0.3% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left BOS on time in September 2024?
83.6% of 12,359 scheduled domestic departures left less than 15 minutes late, and 83.7% reached their destination on time. The national figures that month were 84.4% and 83.9%.
How does that compare with a year earlier?
In September 2023, 69.3% of 11,742 departures left on time and 3.3% were cancelled, against 83.6% and 0.4% in September 2024.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for BOS · methodology · corrections.