Best Time to Fly BDL to ORD: On-Time Stats by Hour & Airline
Bradley International → Chicago O'Hare International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 75.6% of Hartford (BDL) to Chicago (ORD) flights arrived on time (2,365 scheduled flights). That is 2.0 points below the national average of 77.6%.
Among 5 airlines, Republic Airways led with 78.3% on time and United Airlines was last with 73.1%.
Over 24 months, Tuesday was the most reliable day (81% on time) and August the worst month (70%).
The cancellation rate was 2.8% (US average 1.8%).
BDL to ORD 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 |
|---|---|---|---|---|
| Republic Airways | 78.3% | 78 min | 4.0% | 655 |
| American Airlines | 76.7% | 154 min | 3.0% | 432 |
| Envoy Air | 76.1% | 60 min | 5.0% | 141 |
| SkyWest Airlines | 75.3% | 67 min | 2.6% | 266 |
| United Airlines | 73.1% | 83 min | 1.5% | 871 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BDL to ORD
On-time arrival % by scheduled departure hour (local time), 4,545 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 5 | |
| 6am–7am | 89.4% | 1.8% | 908 |
| 7am–8am | 88.8% | 2.5% | 488 |
| 8am–9am | 86.9% | 1.6% | 62 |
| 9am–10am | 88.5% | 1.6% | 62 |
| 10am–11am | Limited data | 6 | |
| 11am–12pm | 81.6% | 0.9% | 419 |
| 12pm–1pm | 83.0% | 1.6% | 672 |
| 1pm–2pm | 84.8% | 0.8% | 126 |
| 2pm–3pm | Limited data | 18 | |
| 3pm–4pm | Limited data | 15 | |
| 4pm–5pm | 56.4% | 1.8% | 680 |
| 5pm–6pm | 67.5% | 2.2% | 507 |
| 6pm–7pm | 59.3% | 3.5% | 464 |
| 7pm–8pm | 64.8% | 2.8% | 109 |
| 10pm–11pm | Limited data | 4 | |
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 ORD
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) | 63.6% | -14.7 pts | 8.3% | 84 |
| Christmas & New Year (Dec 20 - Jan 3) | 74.2% | -4.1 pts | 1.1% | 190 |
| Summer peak (Jun 15 - Aug 15) | 70.3% | -8.0 pts | 2.1% | 819 |
| All other days | 78.3% | — | 1.9% | 3,452 |
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).