Best Time to Fly DSM to BNA: On-Time Stats by Hour & Airline
Des Moines International → Nashville International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 83.3% of Des Moines (DSM) to Nashville (BNA) flights arrived on time (165 scheduled flights). That is 5.7 points above the national average of 77.6%.
Allegiant Air was the only reporting airline with regular flights on this route.
Over 24 months, Monday was the most reliable day (87% on time) and July the worst month (67%).
The cancellation rate was 1.8% (US average 1.8%).
DSM 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 |
|---|---|---|---|---|
| Allegiant Air | 83.3% | 150 min | 1.8% | 165 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DSM to BNA
On-time arrival % by scheduled departure hour (local time), 348 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 17 | |
| 8am–9am | Limited data | 4 | |
| 9am–10am | 86.1% | 2.7% | 37 |
| 10am–11am | Limited data | 9 | |
| 11am–12pm | Limited data | 17 | |
| 12pm–1pm | Limited data | 13 | |
| 1pm–2pm | 81.7% | 0.0% | 60 |
| 2pm–3pm | 87.8% | 0.0% | 41 |
| 3pm–4pm | Limited data | 3 | |
| 4pm–5pm | Limited data | 11 | |
| 5pm–6pm | 90.6% | 0.0% | 32 |
| 6pm–7pm | 61.4% | 0.0% | 44 |
| 7pm–8pm | Limited data | 29 | |
| 8pm–9pm | Limited data | 21 | |
| 9pm–10pm | Limited data | 10 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DSM 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) | Limited data | 6 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 13 | ||
| Summer peak (Jun 15 - Aug 15) | 71.1% | -15.8 pts | 0.0% | 90 |
| All other days | 86.9% | — | 0.8% | 239 |
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).