OnTimeRoutes
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Southwest Airlines JAX to BNA on-time performance

Southwest Airlines nonstop flights from Jacksonville to Nashville · Aug 2025 – Jul 2026

On-time arrivals
81%
arrived < 15 min late
Cancelled
0.8%
9 flights
Avg arrival delay
11 min
53 min when late
Rank on route
#2 of 2
route average 81% on time

Key facts

  • Southwest Airlines flights on JAX to BNA arrived on time 81% of the time in Aug 2025 – Jul 2026.
  • 0.8% were cancelled, and 5% arrived an hour or more late.
  • That ranks #2 of 2 airlines on this route, which averaged 81% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (61%).

On-time trend by month

50%75%100%July 2025: 82.0% on time, 1.1% cancelledJul ’25August 2025: 88.5% on time, 1.1% cancelledAug ’25September 2025: 91.9% on time, 0.0% cancelledSep ’25October 2025: 80.9% on time, 0.0% cancelledOct ’25November 2025: 85.6% on time, 0.0% cancelledNov ’25December 2025: 84.0% on time, 0.0% cancelledDec ’25January 2026: 91.3% on time, 6.8% cancelledJan ’26February 2026: 85.7% on time, 1.3% cancelledFeb ’26March 2026: 68.7% on time, 1.0% cancelledMar ’26April 2026: 80.4% on time, 0.0% cancelledApr ’26May 2026: 75.5% on time, 0.0% cancelledMay ’26June 2026: 72.2% on time, 1.1% cancelledJun ’26July 2026: 71.4% on time, 0.0% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft61%
  • Airline (crew, maintenance, cleaning, fueling)19%
  • Air traffic control & airport congestion17%
  • Extreme weather3%
  • Security0%

Other airlines on JAX to BNA

1,096 Southwest Airlines flights tracked on this route; 9 cancelled, 1 diverted.

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.