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WanderNerd

Route Reliability

Des Moines → Nashville

DSMBNA · 530 miles · Des Moines International Airport to Nashville International Airport

79
Usually Fine
WanderNerd Reliability Score
80%
Arrive within 15 minutes
15 min
Average arrival delay
1.7%
Cancelled
178
Flights in the data

Data through May 2026.

Allegiant Air is the only airline in this data on this route, arriving on time 80% of the time across 178 flights. No comparison to make.

What the data says

The 12–3 PM departure wins.

DSM–BNA flights departing between 12–3 PM arrived on time 89% of the time, versus 71% between 6–9 PM.

Sunday scaries are real for this one.

DSM–BNA flights arrived on time 91% of the time on Mondays and just 62% on Sundays. That gap is worth planning around.

Recent months have been rougher.

DSM–BNA flights arrived on time 74% of the time over the last three months in the data, compared with 91% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon91%(46 flights)
  • Tue(0 flights)
  • Wed85%(13 flights)
  • Thu69%(26 flights)
  • Fri82%(51 flights)
  • Sat90%(10 flights)
  • Sun62%(29 flights)
On-time by departure window
  • 6–9 AM(2 flights)
  • 9 AM–12 PM83%(30 flights)
  • 12–3 PM89%(46 flights)
  • 3–6 PM85%(26 flights)
  • 6–9 PM71%(62 flights)
  • 9 PM–12 AM(9 flights)
On-time trend by month
85%
May

Jun 81% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%26
July 202562%26
August 202584%19
September 202594%17
October 202594%18
November 202579%14
December 202560%10
May 202685%13

Based on 178 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.