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WanderNerd

Route Reliability

Houston → Nashville

HOUBNA · 670 miles · William P. Hobby Airport to Nashville International Airport

84
Pretty Reliable
WanderNerd Reliability Score
79%
Arrive within 15 minutes
7 min
Average arrival delay
0.7%
Cancelled
1,804
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 79% of the time across 1,804 flights. No comparison to make.

What the data says

Morning flights do better here.

HOU–BNA flights departing between 3–6 AM arrived on time 93% of the time, versus 67% between 9 PM–12 AM.

Thursday is the weak spot.

HOU–BNA flights arrived on time 86% of the time on Tuesdays. On Thursdays: 74%.

Recent months have been rougher.

HOU–BNA flights arrived on time 76% of the time over the last three months in the data, compared with 90% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon82%(270 flights)
  • Tue86%(244 flights)
  • Wed81%(245 flights)
  • Thu74%(263 flights)
  • Fri76%(264 flights)
  • Sat80%(224 flights)
  • Sun77%(278 flights)
On-time by departure window
  • 3–6 AM93%(28 flights)
  • 6–9 AM93%(508 flights)
  • 9 AM–12 PM86%(175 flights)
  • 12–3 PM77%(364 flights)
  • 3–6 PM68%(364 flights)
  • 6–9 PM71%(291 flights)
  • 9 PM–12 AM67%(58 flights)
On-time trend by month
74%
May

Jun 69% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%143
July 202571%147
August 202575%145
September 202587%138
October 202576%154
November 202580%168
December 202588%162
January 202691%129
February 202690%139
March 202672%163
April 202682%149
May 202674%151

Based on 1,804 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.