Nashville (BNA) to Milwaukee (MKE): On-Time Performance
Data through July 2026
The calendar drives reliability on BNA–MKE. September 2024 flights landed on schedule 97% of the time, but May 2026 dropped to 55% — a gap of 43 points. Across the full period the route averages 77% on-time against a national 78%. Morning departures also hold up better than evening ones (91% vs 69%), which matters most in the rough months.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 0.8%
- Flights/day
- 2.7
- last 12 months
- Duration
- 1h 37m
- scheduled
- Distance
- 475 mi
Monthly on-time trend
Best time to fly from BNA to MKE
Aim for departures around 8 a.m. (93% on-time); avoid 10 p.m. departures (56%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 14 min |
| Tuesday | 82% | 13 min |
| Wednesday | 80% | 12 min |
| Thursday | 74% | 16 min |
| Friday | 75% | 13 min |
| Saturdaybest | 85% | 10 min |
| Sunday | 71% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft71%
- Airline operations21%
- National airspace system7%
- Weather2%
Frequently asked questions
- How often are flights from BNA to MKE delayed?
- 23% of BNA–MKE flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 14 minutes.
- What is the best time of day to fly from BNA to MKE?
- Departures around 8 a.m. have the best record (93% on-time), while departures around 10 p.m. have the worst (56%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BNA to MKE?
- The scheduled BNA–MKE flight time averages 1h 37m over 475 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are BNA to MKE flights cancelled?
- 0.8% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from BNA to MKE?
- May 2026 was the roughest month in this dataset, with only 55% of arrivals on time. The best was September 2024 at 97%. If your dates are flexible, that 43-point gap is worth planning around.
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Based on 1,920 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.