Best Time to Fly BDL to MDW: On-Time Stats by Hour & Airline
Bradley International → Chicago Midway International
Data through July 2026 · Last updated October 18, 2026
824 flights were scheduled from Hartford (BDL) to Chicago (MDW) in the last 12 months, and 80.9% of those that flew arrived on time, 3.3 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 (94% on time) and Saturday the weakest day of the week (78%).
1.6% of flights were cancelled, versus 1.8% nationally.
BDL to MDW 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 | 80.9% | 68 min | 1.6% | 824 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BDL to MDW
On-time arrival % by scheduled departure hour (local time), 1,581 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 96.1% | 1.9% | 261 |
| 6am–7am | 93.4% | 0.0% | 121 |
| 7am–8am | 89.3% | 1.7% | 295 |
| 8am–9am | Limited data | 11 | |
| 11am–12pm | 92.3% | 0.0% | 39 |
| 12pm–1pm | 85.8% | 0.0% | 207 |
| 1pm–2pm | Limited data | 13 | |
| 2pm–3pm | Limited data | 7 | |
| 3pm–4pm | Limited data | 1 | |
| 4pm–5pm | Limited data | 23 | |
| 5pm–6pm | 79.8% | 1.1% | 181 |
| 6pm–7pm | 71.6% | 1.0% | 192 |
| 7pm–8pm | 66.7% | 0.8% | 120 |
| 8pm–9pm | 74.8% | 1.8% | 110 |
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 MDW
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 | 26 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 75.0% | -12.5 pts | 0.0% | 60 |
| Summer peak (Jun 15 - Aug 15) | 73.7% | -13.8 pts | 2.4% | 335 |
| All other days | 87.5% | — | 0.7% | 1,160 |
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).