BOS to BNA flight delays & on-time performance
Nonstop flights from Boston Logan International Airport to Nashville International Airport · 942 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BOS or BNA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Boston (BOS) to Nashville (BNA) arrived on time 70% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 2.1% were cancelled, and 11% arrived an hour or more late.
- Republic Airways was the most punctual airline here (74% on time); Southwest Airlines was the least (66%).
- Departures scheduled around 5am did best (91% on time); around 6pm did worst (55%).
- Saturday was the most reliable day to fly (76% on time) and Thursday the least (66%).
- The largest source of delay minutes was late-arriving aircraft (47%).
Which airline is most on time from BOS 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 |
|---|---|---|---|---|---|
| American Airlines | 100% | 0.0% | 0 min | 0.0% | 2 |
| Spirit Airlines | 86% | 4.3% | 19 min | 9.1% | 23 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 74% | 4.0% | 19 min | 9.8% | 478 |
| JetBlue | 73% | 2.5% | 18 min | 9.4% | 874 |
| Delta Air Lines | 71% | 1.4% | 26 min | 14.5% | 558 |
| Southwest Airlines | 66% | 1.2% | 22 min | 11.1% | 999 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am91%145 flights
- 6am89%58 flights
- 7am79%290 flights
- 8am81%369 flights
- 9am84%192 flights
- 10am79%115 flights
- 11am82%45 flights
- 12pm74%181 flights
- 2pm67%261 flights
- 3pm57%196 flights
- 4pm64%173 flights
- 5pm59%183 flights
- 6pm55%122 flights
- 7pm58%342 flights
- 8pm59%223 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday71%4.3% cancelled
- Tuesday72%2.5% cancelled
- Wednesday72%1.5% cancelled
- Thursday66%0.5% cancelled
- Friday69%0.4% cancelled
- Saturday76%2.2% cancelled
- Sunday67%3.4% 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 aircraft47%
- Airline (crew, maintenance, cleaning, fueling)34%
- Air traffic control & airport congestion17%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather40%
- Airline (crew, maintenance, cleaning, fueling)32%
- Air traffic control & airport congestion27%
- Security0%
BOS to BNA: common questions
- How often are BOS to BNA flights on time?
- 70% 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 Boston to Nashville cancelled?
- 2.1% of scheduled flights were cancelled (62 of 2,934).
- How long are typical delays?
- Across all flights the average arrival delay was 21 min (early arrivals count as zero). Flights that were late arrived 67 min behind schedule on average, and 11.0% of flights were an hour or more late.
- How long is taxi time at BOS?
- Flights on this route spent 20 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BNA to BOS — 69% on time
More flights from Boston
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BOS → BNA, nonstop flights by US airlines that report to the DOT. How we calculate this.