WN4942 DEN → ONT

Southwest Airlines · Denver, CO to Ontario, CA · 53 flights observed, 2026-01-06 to 2026-03-04 · 819 mi

WN4942 covers more than one route in the data window — the stats below are for DEN → ONT, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
89%
Median delay
-19 min
90th percentile
+15 min
Cancellation rate
0%

How often is WN4942 on time?

Across 53 flights on DEN → ONT from 2026-01-06 to 2026-03-04, WN4942 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -19 min, and the worst 10% of flights arrived +15 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4789%
16-30 min24%
31-60 min12%
61-120 min36%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-012286%-16 min
2026-022789%-6 min
2026-034100%-16 min

Performance by day of week

DayFlightsOn-time
Mon8100%
Tue989%
Wed9100%
Thu875%
Fri888%
Sat367%
Sun888%

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