WN1399 BWI → MIA

Southwest Airlines · Baltimore, MD to Miami, FL · 27 flights observed, 2025-10-02 to 2025-11-01 · 946 mi

This flight's reliability varies a lot by day of week — 100% on-time on Saturdays vs. 60% on Fridays.

WN1399 covers more than one route in the data window — the stats below are for BWI → MIA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
89%
Median delay
-7 min
90th percentile
+17 min
Cancellation rate
0%

How often is WN1399 on time?

Across 27 flights on BWI → MIA from 2025-10-02 to 2025-11-01, WN1399 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +17 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2489%
16-30 min14%
31-60 min27%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-102688%-2 min
2025-111100%-17 min

Performance by day of week

DayFlightsOn-time
Mon4100%
Tue4100%
Wed4100%
Thu580%
Fri560%
Sat5100%
SunNo data—

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