WN1531 BWI → AUS

Southwest Airlines · Baltimore, MD to Austin, TX · 14 flights observed, 2025-08-09 to 2025-09-28 · 1,342 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -4 min, while the worst 10% run +59 min or later.

WN1531 covers more than one route in the data window — the stats below are for BWI → AUS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
79%
Median delay
-4 min
90th percentile
+59 min
Cancellation rate
0%

How often is WN1531 on time?

Across 14 flights on BWI → AUS from 2025-08-09 to 2025-09-28, WN1531 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +59 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1179%
16-30 min17%
31-60 min00%
61-120 min214%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-08667%+14 min
2025-09888%+2 min

Performance by day of week

DayFlightsOn-time
MonNo data—
TueNo data—
WedNo data—
ThuNo data—
FriNo data—
Sat786%
Sun771%

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