Historical on-time performance
Buffalo to Nashville
633 miData through Dec 2025Source: US DOT · BTS
Flights on BUF–BNA arrive on time 79% of the time over the last 12 months.
On-time rate79%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights
based on 279 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time79%Medianon timep9025 minCancel0.4%Flights279
Why flights run late
Delay causes
- Airline13%
- Weather1%
- Air traffic (NAS)22%
- Late aircraft64%
- 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 BUF → 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 — 96% on time.
- Mornings96% on time · p90 5 min · 73 flights · limited
- Middays85% on time · p90 20 min · 358 flights
- Afternoons74% on time · p90 35 min · 133 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 92% on time.
- Tuesdays92% on time · p90 10 min · 75 flights · limited
- Fridays86% on time · p90 20 min · 85 flights · limited
- Wednesdays85% on time · p90 20 min · 74 flights · limited
- Sundays85% on time · p90 15 min · 87 flights · limited
- Saturdays81% on time · p90 25 min · 85 flights · limited
- Mondays79% on time · p90 25 min · 84 flights · limited
- Thursdays79% on time · p90 30 min · 84 flights · limited
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