Best Time to Fly BNA to MKE: On-Time Stats by Hour & Airline
Nashville International → General Mitchell International
Data through July 2026 · Last updated October 18, 2026
969 flights were scheduled from Nashville (BNA) to Milwaukee (MKE) in the last 12 months, and 72.9% of those that flew arrived on time, 4.7 points below 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 (93% on time) and Sunday the weakest day of the week (71%).
0.9% of flights were cancelled, versus 1.8% nationally.
BNA to MKE 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 | 72.9% | 50 min | 0.9% | 969 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BNA to MKE
On-time arrival % by scheduled departure hour (local time), 1,859 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 17 | |
| 8am–9am | 93.3% | 0.0% | 104 |
| 9am–10am | 92.4% | 1.1% | 267 |
| 10am–11am | 88.6% | 1.9% | 260 |
| 11am–12pm | 93.2% | 0.0% | 44 |
| 12pm–1pm | 90.0% | 0.0% | 40 |
| 1pm–2pm | Limited data | 29 | |
| 2pm–3pm | Limited data | 29 | |
| 3pm–4pm | 66.3% | 0.0% | 86 |
| 4pm–5pm | 63.0% | 0.4% | 226 |
| 5pm–6pm | 58.9% | 1.8% | 57 |
| 6pm–7pm | 84.8% | 1.5% | 67 |
| 7pm–8pm | 71.1% | 0.0% | 91 |
| 8pm–9pm | 83.5% | 0.6% | 171 |
| 9pm–10pm | 65.7% | 0.5% | 217 |
| 10pm–11pm | 56.6% | 1.3% | 154 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BNA to MKE
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) | 83.9% | +4.2 pts | 0.0% | 31 |
| Christmas & New Year (Dec 20 - Jan 3) | 71.0% | -8.7 pts | 0.0% | 69 |
| Summer peak (Jun 15 - Aug 15) | 69.9% | -9.8 pts | 0.0% | 350 |
| All other days | 79.7% | — | 1.1% | 1,409 |
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).