ON TIMEBOARD

F9 4601 on time

Frontier Airlines 4601: Newark to Atlanta at 5:55 a.m. (past 12 months)

On time
75%
363 flights · likely 70–79%
Cancelled
2.5%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+66 min
average delay
Similar flights
78%
F9, same route & hour

About 1 in 4 F9 4601 flights from Newark arrived 15+ minutes late, diverted or cancelled over the past year (25%); 2.5% were cancelled. The typical flight landed 8 minutes early.

F9 4601: EWR → ATL

Scheduled to leave Newark at 5:55 a.m. local time. Over the past year it arrived on time 75% of the time (363 flights), worse than other F9 flights on the route at that hour (78%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 83% on time (30 flights)83SepOct 2025: 73% on time (30 flights)73OctNov 2025: 57% on time (30 flights)57NovDec 2025: 65% on time (31 flights)65DecJan 2026: 68% on time (31 flights)68JanFeb 2026: 79% on time (28 flights)79FebMar 2026: 58% on time (31 flights)58MarApr 2026: 50% on time (30 flights)50AprMay 2026: 94% on time (31 flights)94MayJun 2026: 90% on time (29 flights)90JunJul 2026: 94% on time (31 flights)94JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday5262%
Tuesday5281%
Wednesday5184%
Thursday5277%
Friday5283%
Saturday5275%
Sunday5262%

Why it was late

Air traffic & airport (NAS) 46%Airline (crew, maintenance, ops) 37%Late inbound plane 12%Severe weather 5%

All flights EWR → ATL · Connecting off F9 4601? Check the risk

Questions

How often is F9 4601 from EWR to ATL late?

Frontier Airlines 4601 from Newark, NJ to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 25% of 363 scheduled flights between September 2025 and August 2026. 2.5% 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.