Airports › Hartford (BDL) › September 2025
Airport month · September 2025
Bradley International in September 2025
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 2025, reporting carriers scheduled 1,804 domestic departures from Bradley International (BDL). 88.0% left less than 15 minutes late and 85.5% reached their destination on time; 0.2% were cancelled.
Nationally that month, 83.1% of flights departed on time and 82.8% arrived on time, so BDL departures were 4.9 points above the national departure figure.
A year earlier, in September 2024, the airport had 1,849 departures with 86.9% leaving on time: a change of +1.1 points, with flights down 2%.
Flights arriving at BDL that month were on time 82.5% of the time (1,802 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 41%, air carrier 28% and national aviation system 25%.
- On time 85.5%
- Arrived 15+ minutes late 14.0%
- Cancelled 0.2%
- Diverted 0.3%
September 2025 against a year earlier, the airport's year and the nation
| Measure | Sep 2025 | Sep 2024 | BDL, 12 months to Jul 2026 | All reported flights, Sep 2025 |
|---|---|---|---|---|
| Departed on time | 88.0% | 86.9% | 79.0% | 83.1% |
| Arrived on time | 85.5% | 87.3% | 76.7% | 82.8% |
| Cancelled | 0.2% | 0.4% | 2.4% | 0.5% |
| Average departure delay (late minutes only) | 8.8 min | 9.5 min | 16.3 min | 12.2 min |
| Scheduled departures a day | 60 | 62 | 61 | 18,748 |
| Scheduled departures | 1,804 | 1,849 | 22,344 | 562,439 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| AA American Airlines | 429 | 24% | 79.3% | 3.0 min | 0.7% |
| DL Delta Air Lines | 372 | 21% | 93.0% | -9.5 min | 0.0% |
| WN Southwest Airlines | 351 | 19% | 89.5% | -0.5 min | 0.0% |
| UA United Airlines | 233 | 13% | 82.4% | 1.5 min | 0.0% |
| B6 JetBlue Airways | 185 | 10% | 81.1% | 6.2 min | 0.0% |
| YX Republic Airline | 63 | 3% | 92.1% | -9.3 min | 0.0% |
| MQ Envoy Air | 42 | 2% | 88.1% | -4.0 min | 0.0% |
| NK Spirit Airlines | 42 | 2% | 88.1% | -8.3 min | 0.0% |
| OH PSA Airlines | 41 | 2% | 87.8% | -9.3 min | 2.4% |
| OO SkyWest Airlines | 24 | 1% | 58.3% | 9.3 min | 0.0% |
| F9 Frontier Airlines | 22 | 1% | 81.8% | 10.4 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| BDL–ORD | Hartford to Chicago | 206 | 76.2% | 3.6 min | 0.0% |
| BDL–ATL | Hartford to Atlanta | 196 | 92.3% | -6.8 min | 0.0% |
| BDL–BWI | Hartford to Baltimore | 146 | 88.4% | 3.3 min | 0.0% |
| BDL–CLT | Hartford to Charlotte | 128 | 91.4% | -11.3 min | 0.8% |
| BDL–DCA | Hartford to Washington | 120 | 64.2% | 17.7 min | 2.5% |
| BDL–PHL | Hartford to Philadelphia | 114 | 83.3% | 2.3 min | 0.0% |
| BDL–DTW | Hartford to Detroit | 110 | 96.4% | -11.4 min | 0.0% |
| BDL–IAD | Hartford to Washington | 107 | 85.0% | 1.3 min | 0.0% |
| BDL–DEN | Hartford to Denver | 90 | 86.7% | -4.9 min | 0.0% |
| BDL–MCO | Hartford to Orlando | 88 | 94.3% | -5.4 min | 0.0% |
| BDL–MSP | Hartford to Minneapolis | 77 | 87.0% | -6.8 min | 0.0% |
| BDL–MDW | Hartford to Chicago | 73 | 94.5% | -6.6 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left BDL on time in September 2025?
88.0% of 1,804 scheduled domestic departures left less than 15 minutes late, and 85.5% reached their destination on time. The national figures that month were 83.1% and 82.8%.
How does that compare with a year earlier?
In September 2024, 86.9% of 1,849 departures left on time and 0.4% were cancelled, against 88.0% and 0.2% in September 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for BDL · methodology · corrections.