WN3551 SAN → SMF

Southwest Airlines · San Diego, CA to Sacramento, CA · 27 flights observed, 2026-06-04 to 2026-06-30 · 480 mi

This flight has been on time less than half the time (33%) — expect a real chance of a delay.

WN3551 covers more than one route in the data window — the stats below are for SAN → SMF, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
33%
Median delay
+23 min
90th percentile
+91 min
Cancellation rate
0%

How often is WN3551 on time?

Across 27 flights on SAN → SMF from 2026-06-04 to 2026-06-30, WN3551 arrived within 15 minutes of schedule 33% of the time. The median arrival delay was +23 min, and the worst 10% of flights arrived +91 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time933%
16-30 min726%
31-60 min415%
61-120 min726%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-062733%+37 min

Performance by day of week

DayFlightsOn-time
Mon475%
Tue40%
Wed333%
Thu4100%
Fri40%
Sat425%
Sun40%

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