ON TIMEBOARD

F9 3303 on time

Frontier Airlines 3303: Phoenix to Los Angeles at 11:35 a.m. (past 12 months)

On time
78%
178 flights · likely 71–84%
Cancelled
2.3%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+55 min
average delay
Similar flights
80%
F9, same route & hour

About 1 in 5 F9 3303 flights from Phoenix arrived 15+ minutes late, diverted or cancelled over the past year (22%); 2.3% were cancelled. The typical flight landed 10 minutes early.

F9 3303: PHX → LAX

Scheduled to leave Phoenix at 11:35 a.m. local time. Over the past year it arrived on time 78% of the time (178 flights), in line with other F9 flights on the route at that hour (80%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2025: too few flights (8 flights)AprSep 2025: too few flights (10 flights)SepOct 2025: 70% on time (27 flights)70OctNov 2025: too few flights (13 flights)NovDec 2025: 82% on time (22 flights)82DecJan 2026: too few flights (3 flights)JanFeb 2026: too few flights (11 flights)FebMar 2026: too few flights (7 flights)MarApr 2026: too few flights (5 flights)AprJun 2026: 86% on time (22 flights)86JunJul 2026: 87% on time (31 flights)87JulAug 2026: 63% on time (27 flights)63Aug

By day of week

DayFlightsOn time
Monday3073%
Tuesday19—
Wednesday2282%
Thursday2568%
Friday2580%
Saturday3291%
Sunday2564%

Why it was late

Late inbound plane 70%Airline (crew, maintenance, ops) 26%Air traffic & airport (NAS) 4%

All flights PHX → LAX · Connecting off F9 3303? Check the risk

Questions

How often is F9 3303 from PHX to LAX late?

Frontier Airlines 3303 from Phoenix, AZ to Los Angeles, CA arrived 15 or more minutes late, was diverted or was cancelled on 22% of 178 scheduled flights between September 2025 and August 2026. 2.3% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Frontier Airlines for today's flight. Method.