WN3778 BWI → SAN

Southwest Airlines · Baltimore, MD to San Diego, CA · 15 flights observed, 2026-03-05 to 2026-04-06 · 2,295 mi

WN3778 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
93%
Median delay
-10 min
90th percentile
+8 min
Cancellation rate
7%

How often is WN3778 on time?

Across 15 flights on BWI → SAN from 2026-03-05 to 2026-04-06, WN3778 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +8 min or later. 7% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1393%
16-30 min00%
31-60 min17%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-0311100%-14 min
2026-04367%+2 min

Performance by day of week

DayFlightsOn-time
Mon4100%
TueNo data—
WedNo data—
Thu5100%
Fri580%
SatNo data—
SunNo data—

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