ON TIMEBOARD

F9 4209 on time

Frontier Airlines 4209: Cleveland to Atlanta at 7:24 p.m. (past 12 months)

On time
63%
236 flights · likely 56–69%
Cancelled
1.3%
of scheduled flights
Typical arrival
+4 min
median vs schedule
When late
+81 min
average delay
Similar flights
68%
F9, same route & hour

About 1 in 3 F9 4209 flights from Cleveland arrived 15+ minutes late, diverted or cancelled over the past year (37%); 1.3% were cancelled. The typical flight landed 4 minutes late.

F9 4209: CLE → ATL

Scheduled to leave Cleveland at 7:24 p.m. local time. Over the past year it arrived on time 63% of the time (236 flights), worse than other F9 flights on the route at that hour (68%). Last seen in the data Aug 30, 2026.

Usually Frontier Airlines's last flight of the day from Cleveland to Atlanta (82% of days). Frontier Airlines's last CLE–ATL flight was cancelled 1.3% of the time, against 3.7% for its earlier ones. If it's cancelled, the next Frontier Airlines flight is usually around 6:40 a.m. the next morning.

Month by month

30%65%100%Aug 2025: 61% on time (31 flights)61AugSep 2025: 87% on time (30 flights)87SepOct 2025: 81% on time (26 flights)81OctNov 2025: 52% on time (21 flights)52NovDec 2025: too few flights (4 flights)DecFeb 2026: too few flights (8 flights)FebMar 2026: 67% on time (27 flights)67MarApr 2026: 71% on time (28 flights)71AprMay 2026: 58% on time (31 flights)58MayJun 2026: 43% on time (30 flights)43JunJul 2026: 38% on time (16 flights)38JulAug 2026: 47% on time (15 flights)47Aug

By day of week

DayFlightsOn time
Monday3155%
Tuesday3874%
Wednesday2692%
Thursday4455%
Friday3053%
Saturday2564%
Sunday4255%

Why it was late

Late inbound plane 51%Air traffic & airport (NAS) 21%Airline (crew, maintenance, ops) 16%Severe weather 12%

All flights CLE → ATL · Connecting off F9 4209? Check the risk

Questions

How often is F9 4209 from CLE to ATL late?

Frontier Airlines 4209 from Cleveland, OH to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 37% of 236 scheduled flights between September 2025 and August 2026. 1.3% 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.