WN3243 ATL → STL

Southwest Airlines · Atlanta, GA to St. Louis, MO · 26 flights observed, 2026-04-07 to 2026-06-03 · 484 mi

This flight has a strong track record — on time 96% of the time, with a low cancellation rate.

WN3243 covers more than one route in the data window — the stats below are for ATL → STL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
96%
Median delay
-12 min
90th percentile
-2 min
Cancellation rate
0%

How often is WN3243 on time?

Across 26 flights on ATL → STL from 2026-04-07 to 2026-06-03, WN3243 arrived within 15 minutes of schedule 96% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived -2 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time2596%
16-30 min00%
31-60 min14%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-0411100%-6 min
2026-051392%-12 min
2026-062100%-10 min

Performance by day of week

DayFlightsOn-time
MonNo data—
Tue9100%
Wed9100%
ThuNo data—
FriNo data—
SatNo data—
Sun888%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…