WN856 STL → BNA

Southwest Airlines · St. Louis, MO to Nashville, TN · 14 flights observed, 2026-01-11 to 2026-03-02 · 272 mi

WN856 covers more than one route in the data window — the stats below are for STL → BNA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
71%
Median delay
-8 min
90th percentile
+43 min
Cancellation rate
0%

How often is WN856 on time?

Across 14 flights on STL → BNA from 2026-01-11 to 2026-03-02, WN856 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +43 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1071%
16-30 min00%
31-60 min429%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-01580%+3 min
2026-02875%+1 min
2026-0310%+42 min

Performance by day of week

DayFlightsOn-time
Mon475%
Tue1100%
WedNo data—
Thu333%
Fri2100%
SatNo data—
Sun475%

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