Routes › Nashville (BNA) › BNA to BDL
Route · 12 months to July 2026
Nashville to Hartford: on-time record
Nashville International to Bradley International
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. Data through July 2026; this is a monthly history, not live flight status.
78.8% of scheduled BNA to BDL flights arrived on time in the 12 months to July 2026. The figure covers 391 flights between Nashville and Hartford by carriers that report to BTS, a distance of 852 miles.
That is 2.8 points above the national on-time share of 76.0% for the same period and 4.4 points above the 74.4% recorded for all departures from BNA. Flights that did arrive were 2.6 min late on average, and 1.0% of scheduled flights were cancelled (national: 1.8%).
Southwest Airlines is the only reporting carrier on the route, with 376 flights in the period.
By scheduled departure hour (local time at BNA), flights leaving from 11 am to 12 pm had the highest on-time share, 89.2%; those leaving from 2 pm to 3 pm had the lowest, 63.6%.
The on-time share is down 8.7 points on the previous 12 months (87.5%); cancellations moved from 0.0% to 1.0%.
Of the delay minutes that carriers assigned to a BTS cause category on this route, late-arriving aircraft 47%, air carrier 46% and national aviation system 7%.
- On time 78.8%
- Arrived 15+ minutes late 19.9%
- Cancelled 1.0%
- Diverted 0.3%
Airlines on the route compared
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| WN Southwest Airlines | 376 | 96% | 78.2% | 3.1 min | 1.1% |
Carriers with at least 24 flights in the 12 months to July 2026. The on-time pill is green when a carrier is at or above the route's overall share. Regional carriers operate flights sold under larger airlines' brands; BTS lists the carrier that operated the flight.
Compared with the airports and the nation
| Measure | BNA to BDL | All departures from BNA | All arrivals at BDL | All reported flights |
|---|---|---|---|---|
| Arrived on time | 78.8% | 74.4% | 73.7% | 76.0% |
| Arrived 15+ minutes late | 19.9% | 23.9% | 23.8% | 21.9% |
| Cancelled | 1.0% | 1.5% | 2.3% | 1.8% |
| Diverted | 0.3% | 0.2% | 0.2% | 0.3% |
| Average arrival delay | 2.6 min | 8.4 min | 9.7 min | 8.1 min |
| Delay minutes per 100 flights | 934 | 1,603 | 1,691 | 1,684 |
| Scheduled flights | 391 | 109,436 | 22,344 | 7,043,858 |
12 months to July 2026. Delay minutes count late arrivals only (an early arrival is zero), so the per-100-flights row is a normalised total rather than an average of early and late.
The return direction, BDL to BNA, recorded 84.1% on time across 390 flights in the same period.
Month by month
Year on year: on time 78.8% against 87.5% (−8.7 pts), cancelled 1.0% against 0.0%, flights 391 against 376.
By scheduled departure hour
Delay causes
Seasonality
| Calendar month | Flights | On time | Cancelled | Avg arrival delay | Years in sample |
|---|---|---|---|---|---|
| Jan | 92 | 83.7% | 2.2% | -2.6 min | 3 |
| Feb | 83 | 92.8% | 1.2% | -3.4 min | 3 |
| Mar | 89 | 85.4% | 1.1% | 1.7 min | 3 |
| Apr | 94 | 89.4% | 0.0% | 0.4 min | 3 |
| May | 93 | 80.6% | 0.0% | 9.5 min | 3 |
| Jun | 90 | 76.7% | 0.0% | 11.5 min | 3 |
| Jul | 93 | 71.0% | 0.0% | 12.1 min | 3 |
| Aug | 101 | 81.2% | 0.0% | 4.4 min | 3 |
| Sep | 103 | 91.3% | 0.0% | -5.0 min | 3 |
| Oct | 102 | 80.4% | 0.0% | 9.3 min | 3 |
| Nov | 93 | 84.9% | 0.0% | -1.4 min | 3 |
| Dec | 95 | 83.2% | 1.1% | 2.0 min | 3 |
Each calendar month summed across the 36 months on file, so most rows combine three years. The pill compares the month with the route's own 12-month share.
Other routes from Nashville (BNA)
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| BNA–ORD | Nashville to Chicago | 5,029 | 69.3% | 19.9 min | 2.9% |
| BNA–DCA | Nashville to Washington | 4,356 | 69.9% | 11.0 min | 2.9% |
| BNA–ATL | Nashville to Atlanta | 4,265 | 81.9% | 0.8 min | 1.8% |
| BNA–LGA | Nashville to New York | 3,781 | 68.6% | 12.9 min | 3.6% |
| BNA–DEN | Nashville to Denver | 3,645 | 74.4% | 8.8 min | 0.6% |
| BNA–DFW | Nashville to Dallas/Fort Worth | 3,534 | 72.8% | 13.4 min | 3.3% |
| BNA–MCO | Nashville to Orlando | 3,510 | 72.7% | 8.6 min | 1.6% |
| BNA–CLT | Nashville to Charlotte | 3,487 | 77.1% | 9.5 min | 1.8% |
All 105 routes and the airport record for BNA · airport record for BDL
Questions and answers
How often are flights from Nashville to Hartford on time?
78.8% of the 391 flights scheduled from BNA to BDL in the 12 months to July 2026 arrived less than 15 minutes after their scheduled time. The national share for the same period was 76.0%. Cancelled and diverted flights count as not on time.
Which airline has the highest on-time share from BNA to BDL?
Southwest Airlines is the only reporting carrier with at least 60 flights on the route in the period, so there is no comparison to make.
What causes delays between Nashville and Hartford?
For flights that arrived 15 or more minutes late, carriers attributed the delay minutes as follows: late-arriving aircraft 47%, air carrier 46%, national aviation system 7%, extreme weather 0%, security 0%. The categories are the carriers' own reports to BTS; weather that slows the wider system is usually recorded under the National Aviation System rather than extreme weather.
What time of day has the highest on-time share from BNA?
Flights scheduled to leave BNA from 11 am to 12 pm arrived on time 89.2% of the time, the highest of any hour with enough flights to compare. The lowest was 2 pm to 3 pm at 63.6%. Delays tend to build through the day as late aircraft carry over to later flights.
Is it getting better?
The on-time share for the 12 months to July 2026 was 78.8%, down 8.7 points on the previous 12 months (87.5%). The monthly chart on this page shows each of the last 36 months. Across those months, February had the highest on-time share (92.8%) and July the lowest (71.0%).
Where does this data come from?
Every figure is computed from the Bureau of Transportation Statistics Reporting Carrier On-Time Performance files, which list each scheduled domestic flight by the carriers required to report. This page covers August 2023 to July 2026. It shows totals and averages only; it is not a live flight-status service.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987 to present), monthly files August 2023 to July 2026, a US government work in the public domain. Figures are totals and averages over all scheduled flights by reporting carriers on the route; no individual flight or aircraft is identified. Times are local to the departure airport. The load factor and passenger counts from the BTS T-100 series are not included in this edition. See the methodology; report processing errors through corrections.