WN4226 SMF → ONT

Southwest Airlines · Sacramento, CA to Ontario, CA · 42 flights observed, 2026-04-07 to 2026-06-03 · 390 mi

This flight has a strong track record — on time 95% of the time, with a low cancellation rate.

WN4226 covers more than one route in the data window — the stats below are for SMF → ONT, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
95%
Median delay
-11 min
90th percentile
+3 min
Cancellation rate
0%

How often is WN4226 on time?

Across 42 flights on SMF → ONT from 2026-04-07 to 2026-06-03, WN4226 arrived within 15 minutes of schedule 95% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +3 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4095%
16-30 min00%
31-60 min00%
61-120 min25%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-041894%-6 min
2026-052195%-4 min
2026-063100%-17 min

Performance by day of week

DayFlightsOn-time
Mon8100%
Tue989%
Wed9100%
Thu888%
Fri8100%
SatNo data—
SunNo data—

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