FlightRecord

Nashville (BNA) to Milwaukee (MKE): On-Time Performance

Data through May 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 78% 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
78%
arrived <15 min late
Avg delay
13 min
completed flights
Cancelled
0.8%
Flights/day
2.7
last 12 months
Duration
1h 37m
scheduled
Distance
475 mi

Monthly on-time trend

Monthly on-time percentage for BNA to MKE flights50%75%100%June 2024: 75% on-time (61 flights)75Jun 2024July 2024: 61% on-time (61 flights)61August 2024: 84% on-time (75 flights)84September 2024: 97% on-time (67 flights)97Sep 2024October 2024: 88% on-time (67 flights)88November 2024: 88% on-time (58 flights)88December 2024: 86% on-time (62 flights)86Dec 2024January 2025: 87% on-time (63 flights)87February 2025: 91% on-time (54 flights)91March 2025: 82% on-time (80 flights)82Mar 2025April 2025: 80% on-time (85 flights)80May 2025: 72% on-time (95 flights)72June 2025: 76% on-time (95 flights)76Jun 2025July 2025: 74% on-time (89 flights)74August 2025: 79% on-time (79 flights)79September 2025: 90% on-time (77 flights)90Sep 2025October 2025: 66% on-time (88 flights)66November 2025: 81% on-time (76 flights)81December 2025: 75% on-time (77 flights)75Dec 2025January 2026: 88% on-time (70 flights)88February 2026: 82% on-time (71 flights)82March 2026: 70% on-time (83 flights)70Mar 2026April 2026: 73% on-time (85 flights)73May 2026: 55% on-time (88 flights)55

Best time to fly from BNA to MKE

Aim for departures around 8 a.m. (94% on-time); avoid 10 p.m. departures (56%).

On-time percentage by scheduled departure hour, BNA to MKE7 a.m.: 100% on-time (24 flights)78 a.m.: 94% on-time (53 flights)89 a.m.: 93% on-time (275 flights)910 a.m.: 88% on-time (295 flights)1011 a.m.: 93% on-time (44 flights)1112 p.m.: 90% on-time (40 flights)121 p.m.: 93% on-time (30 flights)132 p.m.: 67% on-time (27 flights)143 p.m.: 71% on-time (70 flights)154 p.m.: 67% on-time (200 flights)165 p.m.: 63% on-time (50 flights)176 p.m.: 85% on-time (67 flights)187 p.m.: 70% on-time (91 flights)198 p.m.: 81% on-time (178 flights)209 p.m.: 64% on-time (220 flights)2110 p.m.: 56% on-time (142 flights)22scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday76%13 min
Tuesday82%14 min
Wednesday81%12 min
Thursday76%15 min
Friday76%13 min
Saturdaybest85%11 min
Sunday74%15 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft73%
  • Airline operations20%
  • National airspace system6%
  • Weather1%

Frequently asked questions

How often are flights from BNA to MKE delayed?
22% of BNA–MKE flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 13 minutes.
What is the best time of day to fly from BNA to MKE?
Departures around 8 a.m. have the best record (94% 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 22% of the time.
How often are BNA to MKE flights cancelled?
0.8% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, 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.

Based on 1,806 flights, 2024-062026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.