PWM to BNA flight delays & on-time performance
Nonstop flights from Portland International Jetport to Nashville International Airport · 1,010 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PWM or BNA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Portland (PWM) to Nashville (BNA) arrived on time 73% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.6% were cancelled, and 6% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 4pm did best (85% on time); around 7pm did worst (67%).
- Tuesday was the most reliable day to fly (89% on time) and Thursday the least (64%).
- The largest source of delay minutes was late-arriving aircraft (58%).
Which airline is most on time from PWM to BNA?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 73% | 0.6% | 15 min | 5.7% | 159 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 1pm67%48 flights
- 3pm67%43 flights
- 4pm85%26 flights
- 7pm67%16 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday67%0.0% cancelled
- Tuesday89%4.8% cancelled
- Wednesday71%0.0% cancelled
- Thursday64%0.0% cancelled
- Friday65%0.0% cancelled
- Saturday77%0.0% cancelled
- Sunday79%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft58%
- Air traffic control & airport congestion24%
- Airline (crew, maintenance, cleaning, fueling)17%
- Extreme weather1%
- Security1%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
PWM to BNA: common questions
- How often are PWM to BNA flights on time?
- 73% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Portland to Nashville cancelled?
- 0.6% of scheduled flights were cancelled (1 of 159).
- How long are typical delays?
- Across all flights the average arrival delay was 15 min (early arrivals count as zero). Flights that were late arrived 47 min behind schedule on average, and 5.7% of flights were an hour or more late.
- How long is taxi time at PWM?
- Flights on this route spent 12 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BNA to PWM — 81% on time
More flights from Portland
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PWM → BNA, nonstop flights by US airlines that report to the DOT. How we calculate this.