WN1731 OAK → ONT

Southwest Airlines · Oakland, CA to Ontario, CA · 8 flights observed, 2025-08-10 to 2025-09-28 · 362 mi

WN1731 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
75%
Median delay
-4 min
90th percentile
+20 min
Cancellation rate
0%

How often is WN1731 on time?

Across 8 flights on OAK → ONT from 2025-08-10 to 2025-09-28, WN1731 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +20 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time675%
16-30 min225%
31-60 min00%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-08475%+0 min
2025-09475%+2 min

Performance by day of week

DayFlightsOn-time
MonNo data—
TueNo data—
WedNo data—
ThuNo data—
FriNo data—
SatNo data—
Sun875%

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