Historical on-time performance
Nashville to San Francisco
1,969 miData through Dec 2025Source: US DOT · BTS
Flights on BNA–SFO arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights
based on 916 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesbestOn-time80%Medianon timep9035 minCancel0.5%Flights794
- Southwest AirlinesOn-time66%Median5 minp9040 minCancel0.0%Flights122
Why flights run late
Delay causes
- Airline37%
- Weather5%
- Air traffic (NAS)31%
- Late aircraft27%
- Security0%
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 BNA → SFO
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 65% to 79% on time.
- Mornings79% on time · p90 30 min · 969 flights
- Afternoons76% on time · p90 50 min · 227 flights
- Middays73% on time · p90 40 min · 130 flights · limited
- Evenings65% on time · p90 65 min · 911 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 66% to 78% on time.
- Tuesdays78% on time · p90 35 min · 288 flights
- Saturdays75% on time · p90 50 min · 291 flights
- Fridays74% on time · p90 45 min · 341 flights
- Wednesdays74% on time · p90 40 min · 305 flights
- Thursdays73% on time · p90 45 min · 337 flights
- Sundays69% on time · p90 50 min · 344 flights
- Mondays66% on time · p90 60 min · 332 flights
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