Historical on-time performance
Nashville to St. Louis
272 miData through Dec 2025Source: 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)
Cancelled1.7%of scheduled flights
based on 1,276 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 minCancel1.7%Flights1,276
Why flights run late
Delay causes
- Airline20%
- Weather2%
- Air traffic (NAS)9%
- Late aircraft69%
- 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 → STL
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 · 1,097 flights
- Middays85% on time · p90 20 min · 728 flights
- Afternoons78% on time · p90 30 min · 395 flights
- Overnights76% on time · p90 35 min · 908 flights
- Evenings74% on time · p90 45 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 · 564 flights
- Wednesdays85% on time · p90 20 min · 561 flights
- Saturdays84% on time · p90 20 min · 355 flights
- Thursdays83% on time · p90 30 min · 602 flights
- Mondays82% on time · p90 25 min · 607 flights
- Fridays82% on time · p90 25 min · 611 flights
- Sundays77% on time · p90 30 min · 509 flights
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