Route Reliability
Portland → Nashville
PDX–BNA · 1,973 miles · Portland International Airport to Nashville International Airport
- 81%
- Arrive within 15 minutes
- 3 min
- Average arrival delay
- 0%
- Cancelled
- 327
- Flights in the data
Data through May 2026.
Airlines on this route
- Alaska Airlines81% on time · 318 flights
- Southwest Airlines67% on time · 9 flights
Too little history on this route to call a winner. We rank airlines only after 100 flights each.
What the data says
Monday is the weak spot.
PDX–BNA flights arrived on time 88% of the time on Wednesdays. On Mondays: 75%.
It basically never cancels.
Out of 327 scheduled flights, only 0.0% were cancelled.
Ticking up lately.
PDX–BNA flights arrived on time 86% of the time over the last three months in the data, compared with 81% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon75%(47 flights)
- Tue83%(47 flights)
- Wed88%(42 flights)
- Thu85%(46 flights)
- Fri78%(46 flights)
- Sat78%(51 flights)
- Sun81%(48 flights)
- 6–9 AM—(9 flights)
- 9 AM–12 PM81%(318 flights)
Jun 88% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 88% | 34 |
| July 2025 | 89% | 35 |
| August 2025 | 78% | 32 |
| September 2025 | 70% | 30 |
| October 2025 | 80% | 30 |
| November 2025 | 62% | 29 |
| December 2025 | 81% | 31 |
| February 2026 | 100% | 12 |
| March 2026 | 85% | 27 |
| April 2026 | 93% | 30 |
| May 2026 | 81% | 31 |
Keep nerding
Based on 327 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.