WN1131 SAN → SLC

Southwest Airlines · San Diego, CA to Salt Lake City, UT · 50 flights observed, 2026-04-07 to 2026-06-03 · 626 mi

This flight's reliability varies a lot by day of week — 88% on-time on Sundays vs. 25% on Thursdays.

WN1131 covers more than one route in the data window — the stats below are for SAN → SLC, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
58%
Median delay
+10 min
90th percentile
+37 min
Cancellation rate
0%

How often is WN1131 on time?

Across 50 flights on SAN → SLC from 2026-04-07 to 2026-06-03, WN1131 arrived within 15 minutes of schedule 58% of the time. The median arrival delay was +10 min, and the worst 10% of flights arrived +37 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2958%
16-30 min918%
31-60 min1122%
61-120 min12%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-042152%+15 min
2026-052662%+10 min
2026-06367%+27 min

Performance by day of week

DayFlightsOn-time
Mon850%
Tue978%
Wed944%
Thu825%
Fri863%
SatNo data—
Sun888%

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