Best Time to Fly DTW to BNA: On-Time Stats by Hour & Airline
Detroit Metro Wayne County → Nashville International
Data through July 2026 · Last updated October 18, 2026
2,420 flights were scheduled from Detroit (DTW) to Nashville (BNA) in the last 12 months, and 79.0% of those that flew arrived on time, 1.3 points above the US average of 77.6%.
Delta Air Lines was the most punctual of the 3 airlines on the route at 80.2%, while Spirit Airlines trailed at 76.4%.
September has been the best month (89% on time) and Sunday the weakest day of the week (78%).
1.4% of flights were cancelled, versus 1.8% nationally.
DTW to BNA 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 |
|---|---|---|---|---|
| Delta Air Lines | 80.2% | 58 min | 1.9% | 1,406 |
| Southwest Airlines | 77.5% | 40 min | 0.7% | 870 |
| Spirit Airlines | 76.4% | 73 min | 0.8% | 124 |
| SkyWest Airlines | Limited data | 20 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DTW to BNA
On-time arrival % by scheduled departure hour (local time), 4,864 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 86.7% | 0.0% | 60 |
| 6am–7am | 94.1% | 1.1% | 635 |
| 7am–8am | 91.1% | 0.0% | 56 |
| 8am–9am | 88.2% | 2.0% | 754 |
| 9am–10am | 90.9% | 0.0% | 55 |
| 10am–11am | 87.2% | 0.0% | 117 |
| 11am–12pm | Limited data | 26 | |
| 12pm–1pm | 86.2% | 0.9% | 699 |
| 1pm–2pm | 81.0% | 0.0% | 179 |
| 2pm–3pm | 69.6% | 0.0% | 56 |
| 3pm–4pm | 72.1% | 0.0% | 174 |
| 4pm–5pm | 73.9% | 0.9% | 741 |
| 5pm–6pm | 70.3% | 0.9% | 112 |
| 6pm–7pm | 71.2% | 1.2% | 173 |
| 7pm–8pm | 74.6% | 1.1% | 191 |
| 8pm–9pm | 74.7% | 0.3% | 600 |
| 9pm–10pm | 65.4% | 1.4% | 211 |
| 10pm–11pm | Limited data | 25 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DTW to BNA
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) | 70.3% | -12.9 pts | 2.1% | 93 |
| Christmas & New Year (Dec 20 - Jan 3) | 68.2% | -15.0 pts | 1.5% | 204 |
| Summer peak (Jun 15 - Aug 15) | 76.6% | -6.6 pts | 1.4% | 853 |
| All other days | 83.2% | — | 0.8% | 3,714 |
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).