LAX → DEN Southwest Airlines

Southwest Airlines · Los Angeles, CA to Denver, CO · 1,917 flights, 2025-07-01 to 2026-06-30 · aggregated across 80 flight numbers

This route runs much more reliably at some times of day than others — 97% on-time departing 3–6am vs. 58% departing 3–6pm.
On-time arrival
75%
Median delay
-2 min
90th percentile
+44 min
Cancellation rate
0%

How on-time is Southwest Airlines from LAX to DEN?

Across every Southwest Airlines flight number on LAX → DEN (1,917 flights, 2025-07-01 to 2026-06-30), 75% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +44 min or later. 0% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1,42775%
16-30 min1809%
31-60 min1649%
61-120 min925%
2+ hrs382%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0717771%+13 min
2025-0816573%+15 min
2025-0915976%+9 min
2025-1016777%+2 min
2025-1115784%-1 min
2025-1216675%+9 min
2026-0113685%+1 min
2026-0213280%+7 min
2026-0316670%+12 min
2026-0415984%-4 min
2026-0516271%+12 min
2026-0615558%+23 min

Performance by day of week

DayFlightsOn-time
Mon29573%
Tue26180%
Wed25578%
Thu29273%
Fri29771%
Sat22576%
Sun27676%

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