Best Time to Fly BDL to IAD: On-Time Stats by Hour & Airline
Bradley International → Washington Dulles International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 85.1% of Hartford (BDL) to Washington (IAD) flights arrived on time (1,077 scheduled flights). That is 7.5 points above the national average of 77.6%.
United Airlines was the most punctual of the 2 airlines on the route at 86.7%, while Republic Airways trailed at 76.0%.
January has been the best month (91% on time) and Sunday the weakest day of the week (81%).
2.1% of flights were cancelled, versus 1.8% nationally.
BDL to IAD 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 |
|---|---|---|---|---|
| United Airlines | 86.7% | 75 min | 1.8% | 912 |
| Republic Airways | 76.0% | 66 min | 4.2% | 165 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BDL to IAD
On-time arrival % by scheduled departure hour (local time), 1,829 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 94.3% | 1.4% | 659 |
| 10am–11am | 89.5% | 1.7% | 348 |
| 12pm–1pm | Limited data | 4 | |
| 2pm–3pm | 56.5% | 2.6% | 191 |
| 3pm–4pm | 71.0% | 2.5% | 198 |
| 7pm–8pm | 86.3% | 1.4% | 429 |
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 IAD
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) | Limited data | 29 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 82.8% | -3.7 pts | 0.0% | 58 |
| Summer peak (Jun 15 - Aug 15) | 77.6% | -8.9 pts | 3.4% | 268 |
| All other days | 86.5% | — | 1.5% | 1,474 |
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).