Historical on-time performance
Baltimore to Nashville
587 miData through Dec 2025Source: US DOT · BTS
Flights on BWI–BNA arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.2%of scheduled flights
based on 1,773 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time80%Medianon timep9035 minCancel1.2%Flights1,773
Why flights run late
Delay causes
- Airline38%
- Weather4%
- Air traffic (NAS)20%
- Late aircraft37%
- Security1%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly BWI → 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 — 92% on time.
- Mornings92% on time · p90 10 min · 1,936 flights
- Middays82% on time · p90 25 min · 976 flights
- Afternoons72% on time · p90 50 min · 869 flights
- Evenings68% on time · p90 50 min · 1,109 flights
- Overnights63% on time · p90 65 min · 921 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 82% on time.
- Wednesdays82% on time · p90 25 min · 818 flights
- Mondays80% on time · p90 35 min · 873 flights
- Tuesdays80% on time · p90 30 min · 825 flights
- Thursdays78% on time · p90 35 min · 875 flights
- Saturdays78% on time · p90 40 min · 666 flights
- Fridays75% on time · p90 45 min · 881 flights
- Sundays74% on time · p90 45 min · 873 flights
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