Historical on-time performance
Dallas to Nashville
623 miData through May 2026Source: US DOT · BTS
Flights on DAL–BNA arrive on time 72% of the time over the last 12 months.
On-time rate72%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled1.4%of scheduled flights
based on 2,408 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time72%Medianon timep9050 minCancel1.4%Flights2,408
Why flights run late
Delay causes
- Airline26%
- Weather3%
- Air traffic (NAS)16%
- Late aircraft55%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline18%
- Weather79%
- Air traffic (NAS)3%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 33 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DAL → BNA
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 91% on time.
- Mornings91% on time · p90 10 min · 2,068 flights
- Middays80% on time · p90 30 min · 1,592 flights
- Afternoons70% on time · p90 40 min · 1,139 flights
- Evenings66% on time · p90 60 min · 1,590 flights
- Overnights60% on time · p90 70 min · 831 flights
Best day of week
Tuesdays are the most reliable day to fly this route — 83% on time.
- Tuesdays83% on time · p90 25 min · 1,036 flights
- Mondays79% on time · p90 35 min · 1,085 flights
- Saturdays78% on time · p90 40 min · 786 flights
- Wednesdays78% on time · p90 40 min · 1,035 flights
- Sundays75% on time · p90 40 min · 1,107 flights
- Fridays71% on time · p90 45 min · 1,094 flights
- Thursdays70% on time · p90 45 min · 1,077 flights
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