Airports › Boston (BOS) › December 2023
Airport month · December 2023
Logan International in December 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 December 2023, reporting carriers scheduled 10,660 domestic departures from Logan International (BOS). 80.5% left less than 15 minutes late and 82.6% reached their destination on time; 0.8% were cancelled.
Nationally that month, 83.1% of flights departed on time and 83.8% arrived on time, so BOS departures were 2.6 points below the national departure figure.
Flights arriving at BOS that month were on time 79.2% of the time (10,661 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 17%.
- On time 82.6%
- Arrived 15+ minutes late 16.5%
- Cancelled 0.8%
- Diverted 0.2%
December 2023 against a year earlier, the airport's year and the nation
| Measure | Dec 2023 | Year earlier | BOS, 12 months to Jul 2026 | All reported flights, Dec 2023 |
|---|---|---|---|---|
| Departed on time | 80.5% | — | 74.4% | 83.1% |
| Arrived on time | 82.6% | — | 73.3% | 83.8% |
| Cancelled | 0.8% | — | 2.8% | 0.4% |
| Average departure delay (late minutes only) | 14.3 min | — | 18.3 min | 11.6 min |
| Scheduled departures a day | 355 | — | 393 | 19,013 |
| Scheduled departures | 10,660 | — | 143,447 | 570,394 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| B6 JetBlue Airways | 3,241 | 30% | 74.2% | 5.8 min | 0.5% |
| DL Delta Air Lines | 2,038 | 19% | 88.9% | -8.6 min | 0.0% |
| YX Republic Airline | 1,745 | 16% | 88.2% | -9.9 min | 1.8% |
| AA American Airlines | 1,268 | 12% | 85.6% | -3.0 min | 0.3% |
| UA United Airlines | 905 | 8% | 90.5% | -11.7 min | 0.7% |
| WN Southwest Airlines | 530 | 5% | 84.7% | -4.0 min | 1.3% |
| NK Spirit Airlines | 456 | 4% | 65.8% | 15.2 min | 2.4% |
| AS Alaska Airlines | 171 | 2% | 86.0% | -16.9 min | 1.2% |
| MQ Envoy Air | 144 | 1% | 81.9% | -2.1 min | 2.8% |
| OO SkyWest Airlines | 60 | 1% | 85.0% | -8.4 min | 0.0% |
| F9 Frontier Airlines | 38 | 0% | 63.2% | 10.0 min | 0.0% |
| G4 Allegiant Air | 31 | 0% | 83.9% | 8.0 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| BOS–DCA | Boston to Washington | 637 | 80.8% | 0.5 min | 1.6% |
| BOS–LGA | Boston to New York | 567 | 84.0% | -4.3 min | 2.1% |
| BOS–MCO | Boston to Orlando | 493 | 70.0% | 9.6 min | 1.0% |
| BOS–JFK | Boston to New York | 479 | 78.3% | 5.0 min | 0.8% |
| BOS–ORD | Boston to Chicago | 461 | 91.3% | -11.0 min | 1.1% |
| BOS–CLT | Boston to Charlotte | 392 | 81.6% | -0.1 min | 0.5% |
| BOS–ATL | Boston to Atlanta | 387 | 89.4% | -10.0 min | 0.0% |
| BOS–MIA | Boston to Miami | 353 | 76.5% | 7.9 min | 0.0% |
| BOS–SFO | Boston to San Francisco | 346 | 86.7% | -15.9 min | 0.9% |
| BOS–BWI | Boston to Baltimore | 338 | 84.6% | -1.1 min | 1.2% |
| BOS–LAX | Boston to Los Angeles | 335 | 85.4% | -9.7 min | 0.0% |
| BOS–PHL | Boston to Philadelphia | 328 | 85.1% | 0.4 min | 1.2% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left BOS on time in December 2023?
80.5% of 10,660 scheduled domestic departures left less than 15 minutes late, and 82.6% reached their destination on time. The national figures that month were 83.1% and 83.8%.
How does that compare with a year earlier?
December 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 December 2023; 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.