Historical on-time performance
Nashville to Baltimore
587 miData through May 2026Source: US DOT · BTS
Flights on BNA–BWI arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled2.2%of scheduled flights
based on 1,763 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time77%Medianon timep9035 minCancel2.2%Flights1,763
Why flights run late
Delay causes
- Airline30%
- Weather2%
- Air traffic (NAS)10%
- Late aircraft57%
- Security1%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline37%
- Weather55%
- Air traffic (NAS)8%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 38 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 BNA → BWI
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 — 92% on time.
- Mornings92% on time · p90 5 min · 1,947 flights
- Middays81% on time · p90 25 min · 1,180 flights
- Afternoons77% on time · p90 35 min · 858 flights
- Evenings68% on time · p90 55 min · 1,117 flights
- Overnights67% on time · p90 60 min · 703 flights
Best day of week
Wednesdays are the most reliable day to fly this route — 88% on time.
- Wednesdays88% on time · p90 15 min · 810 flights
- Tuesdays83% on time · p90 25 min · 820 flights
- Saturdays81% on time · p90 30 min · 686 flights
- Thursdays79% on time · p90 30 min · 876 flights
- Fridays78% on time · p90 35 min · 884 flights
- Mondays77% on time · p90 40 min · 864 flights
- Sundays76% on time · p90 40 min · 865 flights
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