Historical on-time performance
Portland to Nashville
1,973 miData through May 2026Source: US DOT · BTS
Flights on PDX–BNA arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.0%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-time82%Medianon timep9030 minCancel0.0%Flights244
Why flights run late
Delay causes
- Airline43%
- Weather0%
- Air traffic (NAS)44%
- Late aircraft13%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. 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 PDX → BNA
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 89% on time.
- Mornings89% on time · p90 15 min · 261 flights
- Middays83% on time · p90 25 min · 509 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 90% on time.
- Wednesdays90% on time · p90 15 min · 105 flights · limited
- Thursdays88% on time · p90 20 min · 109 flights · limited
- Sundays86% on time · p90 25 min · 111 flights · limited
- Saturdays84% on time · p90 25 min · 115 flights · limited
- Tuesdays84% on time · p90 20 min · 110 flights · limited
- Mondays82% on time · p90 30 min · 110 flights · limited
- Fridays80% on time · p90 25 min · 110 flights · limited
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