WN1166 DCA → BNA

Southwest Airlines · Washington, DC to Nashville, TN · 46 flights observed, 2025-11-02 to 2026-01-05 · 562 mi

This flight's reliability varies a lot by day of week — 100% on-time on Mondays vs. 50% on Fridays.

WN1166 covers more than one route in the data window — the stats below are for DCA → BNA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
76%
Median delay
0 min
90th percentile
+44 min
Cancellation rate
2%

How often is WN1166 on time?

Across 46 flights on DCA → BNA from 2025-11-02 to 2026-01-05, WN1166 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +44 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3476%
16-30 min49%
31-60 min49%
61-120 min12%
2+ hrs24%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112378%+11 min
2025-122070%+10 min
2026-012100%+1 min

Performance by day of week

DayFlightsOn-time
Mon7100%
Tue667%
Wed786%
Thu875%
Fri650%
Sat4100%
Sun757%

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