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Route Reliability

Nashville → Salt Lake City

BNA–SLC · 1,404 miles · Nashville International Airport to Salt Lake City International Airport

90
Nerd Approved
WanderNerd Reliability Score
85%
Arrive within 15 minutes
3 min
Average arrival delay
0.7%
Cancelled
1,209
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Delta Air Lines87%934 flights
  2. 2.Southwest Airlines76%275 flights

What the data says

The 6–9 AM departure wins.

BNA–SLC flights departing between 6–9 AM arrived on time 90% of the time, versus 78% between 9 AM–12 PM.

Monday is the weak spot.

BNA–SLC flights arrived on time 89% of the time on Wednesdays. On Mondays: 81%.

Delta Air Lines runs this route best.

Delta Air Lines arrived on time 87% of the time on this route; Southwest Airlines managed 76%.

Slipping a little lately.

BNA–SLC flights arrived on time 85% of the time over the last three months in the data, compared with 88% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon81%(177 flights)
  • Tue85%(159 flights)
  • Wed89%(169 flights)
  • Thu84%(173 flights)
  • Fri85%(176 flights)
  • Sat85%(162 flights)
  • Sun84%(183 flights)
On-time by departure window
  • 6–9 AM90%(361 flights)
  • 9 AM–12 PM78%(64 flights)
  • 12–3 PM81%(382 flights)
  • 3–6 PM86%(179 flights)
  • 6–9 PM85%(208 flights)
  • 9 PM–12 AM—(5 flights)
On-time trend by month
84%
May

Jun 74% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%113
July 202582%116
August 202587%111
September 202590%104
October 202581%112
November 202587%100
December 202585%114
January 202693%72
February 202686%78
March 202682%96
April 202689%92
May 202684%91

Keep nerding

Based on 1,209 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.