LAS → SAN Southwest Airlines

Southwest Airlines · Las Vegas, NV to San Diego, CA · 3,738 flights, 2025-07-01 to 2026-06-30 · aggregated across 225 flight numbers

This route runs much more reliably at some times of day than others — 89% on-time departing 3–6am vs. 50% departing 6–9pm.
On-time arrival
63%
Median delay
+6 min
90th percentile
+57 min
Cancellation rate
1%

How on-time is Southwest Airlines from LAS to SAN?

Across every Southwest Airlines flight number on LAS → SAN (3,738 flights, 2025-07-01 to 2026-06-30), 63% arrived within 15 minutes of schedule. Median arrival delay +6 min; the worst 10% ran +57 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2,34463%
16-30 min51614%
31-60 min51714%
61-120 min2396%
2+ hrs812%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0730866%+18 min
2025-0833171%+10 min
2025-0932370%+13 min
2025-1033359%+21 min
2025-1129358%+21 min
2025-1230058%+18 min
2026-0127573%+13 min
2026-0226367%+11 min
2026-0332168%+13 min
2026-0431264%+12 min
2026-0531858%+18 min
2026-0632050%+27 min

Performance by day of week

DayFlightsOn-time
Mon59262%
Tue49874%
Wed48476%
Thu58254%
Fri57955%
Sat38173%
Sun58156%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…