Best Time to Fly SFO to BNA: On-Time Stats by Hour & Airline
San Francisco International → Nashville International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 73.0% of San Francisco (SFO) to Nashville (BNA) flights arrived on time (1,158 scheduled flights). That is 4.6 points below the national average of 77.6%.
Among 2 airlines, United Airlines led with 79.0% on time and Southwest Airlines was last with 56.6%.
Over 24 months, Saturday was the most reliable day (85% on time) and June the worst month (67%).
The cancellation rate was 0.4% (US average 1.8%).
SFO 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 |
|---|---|---|---|---|
| United Airlines | 79.0% | 60 min | 0.5% | 847 |
| Southwest Airlines | 56.6% | 50 min | 0.3% | 311 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SFO to BNA
On-time arrival % by scheduled departure hour (local time), 1,915 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 5 | |
| 7am–8am | Limited data | 12 | |
| 8am–9am | 86.7% | 0.0% | 30 |
| 9am–10am | 83.2% | 0.0% | 315 |
| 10am–11am | 63.4% | 0.0% | 203 |
| 11am–12pm | 79.8% | 1.0% | 305 |
| 12pm–1pm | Limited data | 14 | |
| 1pm–2pm | Limited data | 23 | |
| 2pm–3pm | Limited data | 5 | |
| 4pm–5pm | 72.7% | 1.2% | 248 |
| 5pm–6pm | Limited data | 22 | |
| 6pm–7pm | Limited data | 3 | |
| 10pm–11pm | 66.7% | 0.0% | 279 |
| 11pm–12am | 78.9% | 0.2% | 451 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SFO 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) | 84.2% | +6.9 pts | 0.0% | 38 |
| Christmas & New Year (Dec 20 - Jan 3) | 67.7% | -9.7 pts | 0.0% | 65 |
| Summer peak (Jun 15 - Aug 15) | 69.7% | -7.6 pts | 0.7% | 416 |
| All other days | 77.3% | — | 0.4% | 1,396 |
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).