Best Time to Fly BDL to ATL: On-Time Stats by Hour & Airline
Bradley International → Hartsfield-Jackson Atlanta International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 84.3% of Hartford (BDL) to Atlanta (ATL) flights arrived on time (2,318 scheduled flights). That is 6.7 points above the national average of 77.6%.
Delta Air Lines was the most punctual of the 2 airlines on the route at 84.7%, while Frontier Airlines trailed at 75.5%.
October has been the best month (90% on time) and Sunday the weakest day of the week (76%).
2.1% of flights were cancelled, versus 1.8% nationally.
BDL to ATL on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Lines | 84.7% | 70 min | 2.1% | 2,215 |
| Frontier Airlines | 75.5% | 80 min | 1.0% | 103 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BDL to ATL
On-time arrival % by scheduled departure hour (local time), 4,601 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 1 | |
| 6am–7am | 86.7% | 1.4% | 729 |
| 7am–8am | 85.5% | 1.5% | 675 |
| 8am–9am | 88.8% | 0.2% | 393 |
| 9am–10am | Limited data | 19 | |
| 10am–11am | 87.0% | 1.8% | 55 |
| 11am–12pm | 86.3% | 0.7% | 575 |
| 12pm–1pm | 73.7% | 2.0% | 200 |
| 1pm–2pm | 80.2% | 0.0% | 106 |
| 2pm–3pm | 80.7% | 1.7% | 636 |
| 3pm–4pm | 68.5% | 1.8% | 55 |
| 4pm–5pm | 77.5% | 2.2% | 179 |
| 5pm–6pm | 77.3% | 1.4% | 518 |
| 6pm–7pm | 87.9% | 3.3% | 180 |
| 7pm–8pm | 73.5% | 1.5% | 269 |
| 9pm–10pm | Limited data | 11 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BDL to ATL
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 82.2% | -2.6 pts | 0.0% | 91 |
| Christmas & New Year (Dec 20 - Jan 3) | 76.9% | -8.0 pts | 3.4% | 179 |
| Summer peak (Jun 15 - Aug 15) | 74.6% | -10.2 pts | 1.6% | 815 |
| All other days | 84.8% | — | 1.2% | 3,516 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).