Phoenix, AZ → Ontario, CA flight delays
PHX → ONT · all airlines · 252 flights · April 2026 · source: US BTS
This route is delayed
24%of the time, by +46 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
76%
Delayed 3h+
0%
Cancelled
0%
Avg when late
+46m
Best & worst day to fly
Most on-time
Tuesday
delayed 6%
Worst
Sunday
delayed 42%
Which airline is most punctual on PHX → ONT?
Americandelayed 22%
Southwestdelayed 29%
Frequently asked
How often is the Phoenix, AZ to Ontario, CA flight delayed?
About 24% of PHX → ONT flights arrive late (15+ minutes), by an average of 46 minutes when they do, based on 252 flights in April 2026.
Which airline is most punctual on PHX → ONT?
American, delayed 22% of the time — the best of the 2 airlines flying this route.
What is the best day to fly PHX → ONT?
Tuesday is the most on-time (delayed 6%), while Sunday is the worst (delayed 42%).
Airport overviews