WN300 SMF → ONT

Southwest Airlines · Sacramento, CA to Ontario, CA · 16 flights observed, 2026-06-04 to 2026-06-29 · 390 mi

WN300 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
63%
Median delay
+8 min
90th percentile
+45 min
Cancellation rate
0%

How often is WN300 on time?

Across 16 flights on SMF → ONT from 2026-06-04 to 2026-06-29, WN300 arrived within 15 minutes of schedule 63% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +45 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1063%
16-30 min425%
31-60 min00%
61-120 min213%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-061663%+14 min

Performance by day of week

DayFlightsOn-time
Mon475%
TueNo data—
WedNo data—
Thu450%
Fri425%
SatNo data—
Sun4100%

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