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Route Reliability

Nashville → Portland

BNA–PDX · 1,973 miles · Nashville International Airport to Portland International Airport

80
Pretty Reliable
WanderNerd Reliability Score
73%
Arrive within 15 minutes
8 min
Average arrival delay
0.3%
Cancelled
327
Flights in the data

Data through May 2026.

Airlines on this route

  • Alaska Airlines72% on time · 318 flights
  • Southwest Airlines89% 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

The 3–6 PM departure wins.

BNA–PDX flights departing between 3–6 PM arrived on time 75% of the time, versus 46% between 6–9 PM.

Monday is the weak spot.

BNA–PDX flights arrived on time 78% of the time on Saturdays. On Mondays: 65%.

It basically never cancels.

Out of 327 scheduled flights, only 0.3% were cancelled.

Trending in the right direction.

BNA–PDX flights arrived on time 76% of the time over the last three months in the data, compared with 69% 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

On-time by weekday
  • Mon65%(46 flights)
  • Tue70%(47 flights)
  • Wed76%(42 flights)
  • Thu74%(46 flights)
  • Fri74%(46 flights)
  • Sat78%(51 flights)
  • Sun71%(48 flights)
On-time by departure window
  • 3–6 PM75%(304 flights)
  • 6–9 PM46%(22 flights)
On-time trend by month
77%
May

Jun 62% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%34
July 202586%35
August 202591%32
September 202587%30
October 202553%30
November 202555%29
December 202560%30
February 202692%12
March 202674%27
April 202677%30
May 202677%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.