Historical on-time performance
Atlanta to St. Louis
483 miData through Dec 2025Source: US DOT · BTS
Flights on ATL–STL arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
Median delayon timetypical arrival
p90 delay35 min1 in 10 flights is worsetail risk
Cancelled1.4%of scheduled flights
based on 3,532 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesbestOn-time81%Medianon timep9035 minCancel1.2%Flights2,336
- Southwest AirlinesOn-time79%Medianon timep9035 minCancel1.7%Flights1,196
Why flights run late
Delay causes
- Airline42%
- Weather6%
- Air traffic (NAS)13%
- Late aircraft38%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
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