WN2138 BWI → SAN

Southwest Airlines · Baltimore, MD to San Diego, CA · 58 flights observed, 2026-01-06 to 2026-03-04 · 2,295 mi

This flight runs much more reliably at some times of day than others — 100% on-time departing 6–9am vs. 64% departing 12–3pm.

WN2138 covers more than one route in the data window — the stats below are for BWI → SAN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
84%
Median delay
-10 min
90th percentile
+34 min
Cancellation rate
3%

How often is WN2138 on time?

Across 58 flights on BWI → SAN from 2026-01-06 to 2026-03-04, WN2138 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +34 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4784%
16-30 min35%
31-60 min35%
61-120 min35%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-012488%-12 min
2026-022879%0 min
2026-034100%-9 min

Performance by day of week

DayFlightsOn-time
Mon786%
Tue978%
Wed989%
Thu888%
Fri875%
Sat8100%
Sun771%

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