Best Time to Fly BDL to BWI: On-Time Stats by Hour & Airline
Bradley International → Baltimore/Washington International Thurgood Marshall
Data through July 2026 · Last updated October 18, 2026
1,749 flights were scheduled from Hartford (BDL) to Baltimore (BWI) in the last 12 months, and 83.0% of those that flew arrived on time, 5.4 points above the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
September has been the best month (91% on time) and Friday the weakest day of the week (81%).
1.9% of flights were cancelled, versus 1.8% nationally.
BDL to BWI 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 |
|---|---|---|---|---|
| Southwest Airlines | 83.0% | 52 min | 1.9% | 1,749 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BDL to BWI
On-time arrival % by scheduled departure hour (local time), 3,491 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 94.0% | 1.6% | 255 |
| 6am–7am | 94.0% | 1.5% | 473 |
| 7am–8am | 92.3% | 0.0% | 183 |
| 8am–9am | 91.7% | 1.8% | 380 |
| 9am–10am | 92.6% | 0.7% | 136 |
| 10am–11am | 93.8% | 0.0% | 65 |
| 11am–12pm | 87.2% | 0.3% | 306 |
| 12pm–1pm | 80.0% | 1.6% | 370 |
| 1pm–2pm | 84.5% | 2.3% | 172 |
| 2pm–3pm | 69.9% | 2.6% | 192 |
| 3pm–4pm | 80.3% | 1.3% | 314 |
| 4pm–5pm | 74.0% | 2.9% | 278 |
| 5pm–6pm | 64.6% | 2.9% | 238 |
| 6pm–7pm | 66.2% | 1.4% | 70 |
| 7pm–8pm | 84.5% | 1.7% | 59 |
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 BWI
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) | 84.8% | -1.9 pts | 0.0% | 66 |
| Christmas & New Year (Dec 20 - Jan 3) | 73.4% | -13.3 pts | 0.7% | 144 |
| Summer peak (Jun 15 - Aug 15) | 75.6% | -11.2 pts | 2.8% | 613 |
| All other days | 86.8% | — | 1.4% | 2,668 |
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).