WN578 LAX → DEN

Southwest Airlines · Los Angeles, CA to Denver, CO · 23 flights observed, 2026-03-05 to 2026-04-06 · 862 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -7 min, while the worst 10% run +57 min or later.

WN578 covers more than one route in the data window — the stats below are for LAX → DEN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
87%
Median delay
-7 min
90th percentile
+57 min
Cancellation rate
0%

How often is WN578 on time?

Across 23 flights on LAX → DEN from 2026-03-05 to 2026-04-06, WN578 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +57 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2087%
16-30 min00%
31-60 min00%
61-120 min313%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-031984%+9 min
2026-044100%-13 min

Performance by day of week

DayFlightsOn-time
Mon5100%
Tue4100%
Wed475%
Thu580%
Fri580%
SatNo data—
SunNo data—

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