WN4229 DCA → AUS

Southwest Airlines · Washington, DC to Austin, TX · 30 flights observed, 2026-01-10 to 2026-03-02 · 1,315 mi

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

WN4229 covers more than one route in the data window — the stats below are for DCA → AUS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
72%
Median delay
-2 min
90th percentile
+53 min
Cancellation rate
3%

How often is WN4229 on time?

Across 30 flights on DCA → AUS from 2026-01-10 to 2026-03-02, WN4229 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +53 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2172%
16-30 min310%
31-60 min414%
61-120 min13%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-01888%+0 min
2026-021963%+7 min
2026-032100%-16 min

Performance by day of week

DayFlightsOn-time
Mon5100%
Tue10%
WedNo data—
Thu560%
Fri560%
Sat888%
Sun560%

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