Route Reliability
Portland → Nashville
PWM–BNA · 1,010 miles · Portland International Jetport to Nashville International Airport
- 70%
- Arrive within 15 minutes
- 16 min
- Average arrival delay
- 0%
- Cancelled
- 159
- Flights in the data
Data through May 2026.
Southwest Airlines is the only airline in this data on this route, arriving on time 70% of the time across 159 flights. No comparison to make.
What the data says
The 12–3 PM departure wins.
PWM–BNA flights departing between 12–3 PM arrived on time 77% of the time, versus 66% between 3–6 PM.
Thursdays have been rough.
PWM–BNA flights arrived on time 90% of the time on Tuesdays and just 55% on Thursdays. That gap is worth planning around.
It basically never cancels.
Out of 159 scheduled flights, only 0.0% were cancelled.
Flights on this route
The breakdown
- Mon60%(20 flights)
- Tue90%(20 flights)
- Wed71%(21 flights)
- Thu55%(22 flights)
- Fri59%(22 flights)
- Sat77%(22 flights)
- Sun77%(30 flights)
- 6–9 AM—(7 flights)
- 9 AM–12 PM—(6 flights)
- 12–3 PM77%(34 flights)
- 3–6 PM66%(110 flights)
Jun 59% → Oct 73% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 59% | 27 |
| July 2025 | 40% | 30 |
| August 2025 | 84% | 31 |
| September 2025 | 90% | 30 |
| October 2025 | 73% | 30 |
Keep nerding
Based on 159 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.