WN3519 MCI → DEN

Southwest Airlines · Kansas City, MO to Denver, CO · 42 flights observed, 2025-08-05 to 2025-10-01 · 533 mi

This flight's reliability varies a lot by day of week — 100% on-time on Tuesdays vs. 63% on Fridays.

WN3519 covers more than one route in the data window — the stats below are for MCI → DEN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
81%
Median delay
-1 min
90th percentile
+19 min
Cancellation rate
0%

How often is WN3519 on time?

Across 42 flights on MCI → DEN from 2025-08-05 to 2025-10-01, WN3519 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +19 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3481%
16-30 min614%
31-60 min12%
61-120 min12%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-081974%+5 min
2025-092286%+1 min
2025-101100%-8 min

Performance by day of week

DayFlightsOn-time
Mon888%
Tue9100%
Wed978%
Thu875%
Fri863%
SatNo data—
SunNo data—

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