WN1673 PHX → ONT

Southwest Airlines · Phoenix, AZ to Ontario, CA · 22 flights observed, 2026-03-05 to 2026-04-06 · 325 mi

This flight runs much more reliably at some times of day than others — 88% on-time departing 12–3pm vs. 50% departing 3–6pm.

WN1673 covers more than one route in the data window — the stats below are for PHX → ONT, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
64%
Median delay
+5 min
90th percentile
+72 min
Cancellation rate
0%

How often is WN1673 on time?

Across 22 flights on PHX → ONT from 2026-03-05 to 2026-04-06, WN1673 arrived within 15 minutes of schedule 64% of the time. The median arrival delay was +5 min, and the worst 10% of flights arrived +72 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1464%
16-30 min29%
31-60 min29%
61-120 min418%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-031861%+17 min
2026-04475%+11 min

Performance by day of week

DayFlightsOn-time
Mon450%
Tue475%
Wed4100%
Thu560%
Fri540%
SatNo data—
SunNo data—

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