Historical on-time performance
Oklahoma City to Nashville
616 miData through May 2026Source: US DOT · BTS
Flights on OKC–BNA 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)
Cancelled0.7%of scheduled flights
based on 438 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time78%Medianon timep9035 minCancel0.7%Flights438
Why flights run late
Delay causes
- Airline17%
- Weather2%
- Air traffic (NAS)27%
- Late aircraft54%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 3 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 OKC → BNA
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 — 93% on time.
- Mornings93% on time · p90 5 min · 109 flights · limited
- Middays84% on time · p90 25 min · 358 flights
- Afternoons70% on time · p90 35 min · 345 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 81% on time.
- Tuesdays81% on time · p90 35 min · 100 flights · limited
- Saturdays80% on time · p90 30 min · 174 flights · limited
- Thursdays79% on time · p90 35 min · 112 flights · limited
- Mondays79% on time · p90 40 min · 108 flights · limited
- Sundays75% on time · p90 35 min · 154 flights · limited
- Fridays75% on time · p90 20 min · 112 flights · limited
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