Historical on-time performance
St. Louis to Nashville
272 miData through Dec 2025Source: US DOT · BTS
Flights on STL–BNA arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.9%of scheduled flights
based on 1,267 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time81%Medianon timep9030 minCancel0.9%Flights1,267
Why flights run late
Delay causes
- Airline19%
- Weather4%
- Air traffic (NAS)18%
- 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 STL → 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 — 93% on time.
- Mornings93% on time · p90 5 min · 1,332 flights
- Middays87% on time · p90 15 min · 668 flights
- Afternoons78% on time · p90 40 min · 592 flights
- Overnights74% on time · p90 50 min · 412 flights
- Evenings72% on time · p90 45 min · 798 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 78% to 87% on time.
- Tuesdays87% on time · p90 15 min · 567 flights
- Wednesdays86% on time · p90 15 min · 561 flights
- Saturdays85% on time · p90 20 min · 354 flights
- Mondays84% on time · p90 25 min · 603 flights
- Sundays82% on time · p90 30 min · 516 flights
- Thursdays80% on time · p90 30 min · 596 flights
- Fridays78% on time · p90 35 min · 605 flights
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