Historical on-time performance
Nashville to St. Louis
272 miData through May 2026Source: US DOT · BTS
Flights on BNA–STL arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.9%of scheduled flights
based on 1,268 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time80%Medianon timep9035 minCancel0.9%Flights1,268
Why flights run late
Delay causes
- Airline26%
- Weather3%
- Air traffic (NAS)4%
- Late aircraft67%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline9%
- Weather82%
- Air traffic (NAS)9%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 11 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 BNA → STL
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 · 1,071 flights
- Middays84% on time · p90 20 min · 722 flights
- Afternoons79% on time · p90 30 min · 402 flights
- Overnights77% on time · p90 40 min · 930 flights
- Evenings72% on time · p90 50 min · 681 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 86% on time.
- Tuesdays86% on time · p90 20 min · 552 flights
- Wednesdays85% on time · p90 20 min · 549 flights
- Saturdays84% on time · p90 20 min · 371 flights
- Thursdays81% on time · p90 35 min · 602 flights
- Fridays81% on time · p90 30 min · 612 flights
- Mondays80% on time · p90 30 min · 601 flights
- Sundays77% on time · p90 30 min · 519 flights
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