Historical on-time performance
Denver to Nashville
1,014 miData through Dec 2025Source: US DOT · BTS
Flights on DEN–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)
Cancelled0.6%of scheduled flights
based on 3,640 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Frontier AirlinesOn-time67%Medianon timep9075 minCancel0.5%Flights206
- United AirlinesbestOn-time76%Medianon timep9045 minCancel0.2%Flights1,190
- Southwest AirlinesOn-time71%Medianon timep9050 minCancel0.8%Flights2,244
Why flights run late
Delay causes
- Airline25%
- Weather3%
- Air traffic (NAS)18%
- Late aircraft53%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DEN → BNA
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 87% on time.
- Mornings87% on time · p90 15 min · 4,183 flights
- Middays76% on time · p90 40 min · 2,695 flights
- Afternoons67% on time · p90 50 min · 1,453 flights
- Evenings62% on time · p90 75 min · 2,304 flights
- Overnights60% on time · p90 75 min · 1,098 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 77% on time.
- Mondays77% on time · p90 40 min · 1,812 flights
- Tuesdays76% on time · p90 40 min · 1,547 flights
- Wednesdays76% on time · p90 40 min · 1,616 flights
- Sundays74% on time · p90 45 min · 1,823 flights
- Saturdays74% on time · p90 45 min · 1,302 flights
- Fridays73% on time · p90 50 min · 1,830 flights
- Thursdays73% on time · p90 45 min · 1,803 flights
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