WN1866 SAN → BWI

Southwest Airlines · San Diego, CA to Baltimore, MD · 13 flights observed, 2025-11-25 to 2026-01-04 · 2,295 mi

This flight has been on time less than half the time (42%) — expect a real chance of a delay.

WN1866 covers more than one route in the data window — the stats below are for SAN → BWI, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
42%
Median delay
+38 min
90th percentile
+121 min
Cancellation rate
8%

How often is WN1866 on time?

Across 13 flights on SAN → BWI from 2025-11-25 to 2026-01-04, WN1866 arrived within 15 minutes of schedule 42% of the time. The median arrival delay was +38 min, and the worst 10% of flights arrived +121 min or later. 8% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time542%
16-30 min00%
31-60 min433%
61-120 min18%
2+ hrs217%

Performance by month

MonthFlightsOn-timeAvg delay
2025-11250%+14 min
2025-12838%+39 min
2026-01250%+140 min

Performance by day of week

DayFlightsOn-time
Mon333%
Tue333%
Wed1100%
ThuNo data—
Fri20%
SatNo data—
Sun367%

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