WN4254 BWI → HOU

Southwest Airlines · Baltimore, MD to Houston, TX · 16 flights observed, 2026-06-04 to 2026-06-29 · 1,246 mi

This flight has been on time less than half the time (31%) — expect a real chance of a delay.

WN4254 covers more than one route in the data window — the stats below are for BWI → HOU, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
31%
Median delay
+26 min
90th percentile
+65 min
Cancellation rate
0%

How often is WN4254 on time?

Across 16 flights on BWI → HOU from 2026-06-04 to 2026-06-29, WN4254 arrived within 15 minutes of schedule 31% of the time. The median arrival delay was +26 min, and the worst 10% of flights arrived +65 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time531%
16-30 min531%
31-60 min425%
61-120 min16%
2+ hrs16%

Performance by month

MonthFlightsOn-timeAvg delay
2026-061631%+48 min

Performance by day of week

DayFlightsOn-time
Mon425%
TueNo data—
WedNo data—
Thu450%
Fri450%
SatNo data—
Sun40%

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