WN3539 BWI → AUS

Southwest Airlines · Baltimore, MD to Austin, TX · 34 flights observed, 2025-07-01 to 2025-08-04 · 1,342 mi

This flight runs much more reliably at some times of day than others — 86% on-time departing 9am–12pm vs. 45% departing 12–3pm.

WN3539 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
62%
Median delay
+5 min
90th percentile
+138 min
Cancellation rate
0%

How often is WN3539 on time?

Across 34 flights on BWI → AUS from 2025-07-01 to 2025-08-04, WN3539 arrived within 15 minutes of schedule 62% of the time. The median arrival delay was +5 min, and the worst 10% of flights arrived +138 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2162%
16-30 min39%
31-60 min39%
61-120 min26%
2+ hrs515%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073063%+36 min
2025-08450%+12 min

Performance by day of week

DayFlightsOn-time
Mon580%
Tue50%
Wed540%
Thu5100%
Fri475%
Sat580%
Sun560%

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