Historical on-time performance
Nashville to Portland
1,973 miData through May 2026Source: US DOT · BTS
Flights on BNA–PDX arrive on time 72% of the time over the last 12 months.
On-time rate72%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights
based on 244 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Alaska AirlinesOn-time72%Medianon timep9035 minCancel0.4%Flights244
Why flights run late
Delay causes
- Airline42%
- Weather4%
- Air traffic (NAS)19%
- Late aircraft35%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline100%
- Weather0%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 1 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly BNA → PDX
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 79% to 84% on time.
- Afternoons84% on time · p90 25 min · 203 flights
- Evenings79% on time · p90 30 min · 556 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 78% to 84% on time.
- Wednesdays84% on time · p90 25 min · 105 flights · limited
- Saturdays83% on time · p90 30 min · 115 flights · limited
- Thursdays82% on time · p90 30 min · 109 flights · limited
- Fridays79% on time · p90 25 min · 110 flights · limited
- Tuesdays79% on time · p90 25 min · 110 flights · limited
- Sundays78% on time · p90 30 min · 111 flights · limited
- Mondays78% on time · p90 30 min · 110 flights · limited
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