Historical on-time performance
Nashville to Birmingham
177 miData through Dec 2025Source: US DOT · BTS
Flights on BNA–BHM arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled1.2%of scheduled flights
based on 339 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time76%Medianon timep9030 minCancel1.2%Flights339
Why flights run late
Delay causes
- Airline22%
- Weather5%
- Air traffic (NAS)14%
- Late aircraft58%
- 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 BNA → BHM
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 76% to 80% on time.
- Middays80% on time · p90 30 min · 234 flights
- Afternoons76% on time · p90 30 min · 180 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 68% to 87% on time.
- Tuesdays87% on time · p90 15 min · 61 flights · limited
- Wednesdays87% on time · p90 15 min · 61 flights · limited
- Thursdays80% on time · p90 25 min · 59 flights · limited
- Sundays76% on time · p90 60 min · 63 flights · limited
- Saturdays75% on time · p90 55 min · 56 flights · limited
- Mondays72% on time · p90 25 min · 61 flights · limited
- Fridays68% on time · p90 45 min · 60 flights · limited
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