WN4999 SNA → DEN

Southwest Airlines · Santa Ana, CA to Denver, CO · 9 flights observed, 2025-12-04 to 2025-12-17 · 846 mi

WN4999 covers more than one route in the data window — the stats below are for SNA → DEN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
78%
Median delay
-7 min
90th percentile
+34 min
Cancellation rate
0%

How often is WN4999 on time?

Across 9 flights on SNA → DEN from 2025-12-04 to 2025-12-17, WN4999 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +34 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time778%
16-30 min111%
31-60 min111%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-12978%+3 min

Performance by day of week

DayFlightsOn-time
Mon2100%
Tue250%
Wed2100%
Thu250%
Fri1100%
SatNo data—
SunNo data—

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