ON TIMEBOARD

F9 4406 on time

Frontier Airlines 4406: Atlanta to Miami at 11:47 a.m. (past 12 months)

On time
72%
349 flights · likely 67–76%
Cancelled
0.9%
of scheduled flights
Typical arrival
−2 min
median vs schedule
When late
+78 min
average delay
Similar flights
73%
F9, same route & hour

About 1 in 4 F9 4406 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (28%); 0.9% were cancelled. The typical flight landed 2 minutes early.

F9 4406: ATL → MIA

Scheduled to leave Atlanta at 11:47 a.m. local time. Over the past year it arrived on time 72% of the time (349 flights), in line with other F9 flights on the route at that hour (73%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 91% on time (23 flights)91SepOct 2025: 93% on time (27 flights)93OctNov 2025: 70% on time (30 flights)70NovDec 2025: 65% on time (31 flights)65DecJan 2026: 71% on time (31 flights)71JanFeb 2026: 68% on time (28 flights)68FebMar 2026: 68% on time (31 flights)68MarApr 2026: 80% on time (25 flights)80AprMay 2026: 61% on time (31 flights)61MayJun 2026: 80% on time (30 flights)80JunJul 2026: 65% on time (31 flights)65JulAug 2026: 58% on time (31 flights)58Aug

By day of week

DayFlightsOn time
Monday5370%
Tuesday4576%
Wednesday4680%
Thursday5273%
Friday5271%
Saturday4963%
Sunday5269%

Why it was late

Late inbound plane 45%Airline (crew, maintenance, ops) 36%Air traffic & airport (NAS) 20%

All flights ATL → MIA · Connecting off F9 4406? Check the risk

Questions

How often is F9 4406 from ATL to MIA late?

Frontier Airlines 4406 from Atlanta, GA to Miami, FL arrived 15 or more minutes late, was diverted or was cancelled on 28% of 349 scheduled flights between September 2025 and August 2026. 0.9% 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.