Best Time to Fly PDX to BNA: On-Time Stats by Hour & Airline
Portland International → Nashville International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 77.9% of Portland (PDX) to Nashville (BNA) flights arrived on time (318 scheduled flights). That is in line with the national average of 77.6%.
Alaska Airlines was the only reporting airline with regular flights on this route.
October has been the best month (89% on time) and Saturday the weakest day of the week (79%).
0.0% of flights were cancelled, versus 1.8% nationally.
PDX 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 |
|---|---|---|---|---|
| Alaska Airlines | 78.2% | 38 min | 0.0% | 317 |
| Southwest Airlines | Limited data | 1 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PDX to BNA
On-time arrival % by scheduled departure hour (local time), 690 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | Limited data | 9 | |
| 9am–10am | 89.5% | 0.0% | 219 |
| 10am–11am | 77.1% | 0.0% | 193 |
| 11am–12pm | 82.7% | 0.9% | 222 |
| 12pm–1pm | 95.7% | 0.0% | 47 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PDX 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 | 12 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 80.0% | -5.5 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 81.4% | -4.1 pts | 0.0% | 130 |
| All other days | 85.5% | — | 0.4% | 518 |
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).