Best Time to Fly MDW to BDL: On-Time Stats by Hour & Airline
Chicago Midway International → Bradley International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 76.6% of Chicago (MDW) to Hartford (BDL) flights arrived on time (823 scheduled flights). That is 1.0 points below the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
April has been the best month (88% on time) and Sunday the weakest day of the week (71%).
1.6% of flights were cancelled, versus 1.8% nationally.
MDW to BDL 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 | 76.6% | 60 min | 1.6% | 823 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MDW to BDL
On-time arrival % by scheduled departure hour (local time), 1,581 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 92.1% | 0.7% | 140 |
| 8am–9am | 91.2% | 0.0% | 57 |
| 9am–10am | 81.4% | 1.9% | 104 |
| 10am–11am | 88.0% | 0.0% | 50 |
| 11am–12pm | 88.7% | 0.0% | 53 |
| 12pm–1pm | 83.7% | 0.0% | 202 |
| 1pm–2pm | 82.0% | 0.3% | 285 |
| 2pm–3pm | 83.3% | 0.0% | 42 |
| 3pm–4pm | Limited data | 10 | |
| 4pm–5pm | Limited data | 28 | |
| 5pm–6pm | 67.7% | 0.0% | 31 |
| 6pm–7pm | 70.5% | 1.1% | 264 |
| 7pm–8pm | 62.6% | 3.5% | 145 |
| 8pm–9pm | 64.5% | 0.6% | 170 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MDW to BDL
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) | 71.7% | -9.6 pts | 0.0% | 60 |
| Summer peak (Jun 15 - Aug 15) | 67.5% | -13.8 pts | 0.6% | 335 |
| All other days | 81.3% | — | 0.9% | 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).