WN3749 OAK → ONT

Southwest Airlines · Oakland, CA to Ontario, CA · 30 flights observed, 2025-07-01 to 2025-08-04 · 362 mi

This flight's reliability varies a lot by day of week — 80% on-time on Mondays vs. 40% on Sundays.

WN3749 covers more than one route in the data window — the stats below are for OAK → ONT, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
63%
Median delay
-4 min
90th percentile
+125 min
Cancellation rate
0%

How often is WN3749 on time?

Across 30 flights on OAK → ONT from 2025-07-01 to 2025-08-04, WN3749 arrived within 15 minutes of schedule 63% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +125 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1963%
16-30 min27%
31-60 min13%
61-120 min413%
2+ hrs413%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072763%+26 min
2025-08367%+38 min

Performance by day of week

DayFlightsOn-time
Mon580%
Tue560%
Wed580%
Thu560%
Fri560%
SatNo data—
Sun540%

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