Historical on-time performance
Raleigh-durham to Nashville
443 miData through Dec 2025Source: US DOT · BTS
Flights on RDU–BNA arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled1.2%of scheduled flights
based on 2,031 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Republic AirwaysOn-time78%Medianon timep9045 minCancel2.0%Flights809
- Southwest AirlinesOn-time82%Medianon timep9030 minCancel0.7%Flights1,222
Why flights run late
Delay causes
- Airline19%
- Weather3%
- Air traffic (NAS)17%
- Late aircraft61%
- 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 RDU → 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 — 93% on time.
- Mornings93% on time · p90 5 min · 2,669 flights
- Middays87% on time · p90 15 min · 804 flights
- Afternoons78% on time · p90 40 min · 1,671 flights
- Evenings76% on time · p90 40 min · 644 flights
- Overnights64% on time · p90 50 min · 678 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 87% on time.
- Saturdays87% on time · p90 15 min · 722 flights
- Wednesdays87% on time · p90 20 min · 953 flights
- Tuesdays87% on time · p90 20 min · 949 flights
- Mondays83% on time · p90 25 min · 976 flights
- Thursdays82% on time · p90 25 min · 957 flights
- Fridays80% on time · p90 35 min · 963 flights
- Sundays80% on time · p90 30 min · 946 flights
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