Airports › Boston (BOS) › May 2024
Airport month · May 2024
Logan International in May 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 May 2024, reporting carriers scheduled 12,659 domestic departures from Logan International (BOS). 77.2% left less than 15 minutes late and 76.8% reached their destination on time; 0.7% were cancelled.
Nationally that month, 73.4% of flights departed on time and 72.3% arrived on time, so BOS departures were 3.8 points above the national departure figure.
Flights arriving at BOS that month were on time 72.0% of the time (12,661 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 37%, air carrier 34% and national aviation system 26%.
- On time 76.8%
- Arrived 15+ minutes late 22.2%
- Cancelled 0.7%
- Diverted 0.3%
May 2024 against a year earlier, the airport's year and the nation
| Measure | May 2024 | Year earlier | BOS, 12 months to Jul 2026 | All reported flights, May 2024 |
|---|---|---|---|---|
| Departed on time | 77.2% | — | 74.4% | 73.4% |
| Arrived on time | 76.8% | — | 73.3% | 72.3% |
| Cancelled | 0.7% | — | 2.8% | 1.4% |
| Average departure delay (late minutes only) | 17.1 min | — | 18.3 min | 20.8 min |
| Scheduled departures a day | 422 | — | 393 | 20,325 |
| Scheduled departures | 12,659 | — | 143,447 | 609,743 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| B6 JetBlue Airways | 3,679 | 29% | 76.4% | 5.2 min | 0.1% |
| YX Republic Airline | 2,306 | 18% | 84.0% | 0.0 min | 1.0% |
| DL Delta Air Lines | 2,250 | 18% | 77.7% | 7.8 min | 0.1% |
| AA American Airlines | 1,585 | 13% | 73.9% | 14.3 min | 1.4% |
| UA United Airlines | 1,094 | 9% | 75.5% | 8.0 min | 1.4% |
| NK Spirit Airlines | 605 | 5% | 67.9% | 12.6 min | 2.6% |
| WN Southwest Airlines | 550 | 4% | 70.9% | 12.0 min | 0.0% |
| AS Alaska Airlines | 256 | 2% | 72.7% | 4.1 min | 1.2% |
| MQ Envoy Air | 162 | 1% | 66.7% | 19.9 min | 0.6% |
| F9 Frontier Airlines | 107 | 1% | 74.8% | 15.6 min | 0.9% |
| G4 Allegiant Air | 46 | 0% | 93.5% | -12.0 min | 0.0% |
| HA Hawaiian Airlines | 19 | 0% | 57.9% | 26.2 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| BOS–DCA | Boston to Washington | 854 | 74.9% | 8.5 min | 0.4% |
| BOS–LGA | Boston to New York | 719 | 82.5% | 3.7 min | 2.1% |
| BOS–ORD | Boston to Chicago | 622 | 75.4% | 14.3 min | 0.8% |
| BOS–CLT | Boston to Charlotte | 502 | 72.5% | 6.8 min | 1.0% |
| BOS–JFK | Boston to New York | 497 | 78.1% | 7.7 min | 1.2% |
| BOS–PHL | Boston to Philadelphia | 487 | 80.1% | 10.1 min | 0.2% |
| BOS–ATL | Boston to Atlanta | 415 | 79.0% | 5.1 min | 0.0% |
| BOS–EWR | Boston to Newark | 404 | 79.5% | 4.6 min | 2.5% |
| BOS–LAX | Boston to Los Angeles | 401 | 76.3% | 12.0 min | 0.7% |
| BOS–SFO | Boston to San Francisco | 397 | 65.2% | 9.1 min | 0.3% |
| BOS–DFW | Boston to Dallas/Fort Worth | 383 | 63.2% | 27.8 min | 3.4% |
| BOS–MCO | Boston to Orlando | 373 | 71.3% | 12.5 min | 0.5% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left BOS on time in May 2024?
77.2% of 12,659 scheduled domestic departures left less than 15 minutes late, and 76.8% reached their destination on time. The national figures that month were 73.4% and 72.3%.
How does that compare with a year earlier?
May 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 May 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.