ON TIMEBOARD

F9 3451 on time

Frontier Airlines 3451: Fort Lauderdale to Cleveland at 7:52 p.m. (past 12 months)

On time
71%
154 flights · likely 63–77%
Cancelled
3.9%
of scheduled flights
Typical arrival
−5 min
median vs schedule
When late
+80 min
average delay
Similar flights
66%
F9, same route & hour

About 1 in 3 F9 3451 flights from Fort Lauderdale arrived 15+ minutes late, diverted or cancelled over the past year (29%); 3.9% were cancelled. The typical flight landed 5 minutes early.

F9 3451: FLL → CLE

Scheduled to leave Fort Lauderdale at 7:52 p.m. local time. Over the past year it arrived on time 71% of the time (154 flights), better than other F9 flights on the route at that hour (66%). Last seen in the data Aug 30, 2026.

Usually Frontier Airlines's last flight of the day from Fort Lauderdale to Cleveland (73% of days). Frontier Airlines's last FLL–CLE flight was cancelled 4.2% of the time, against 4.0% for its earlier ones. If it's cancelled, the next Frontier Airlines flight is usually around 11:33 a.m. the next morning.

Month by month

40%70%100%Jul 2025: too few flights (13 flights)JulAug 2025: 73% on time (15 flights)73AugSep 2025: too few flights (9 flights)SepOct 2025: too few flights (13 flights)OctNov 2025: too few flights (9 flights)NovDec 2025: too few flights (8 flights)DecJan 2026: too few flights (9 flights)JanFeb 2026: too few flights (6 flights)FebMay 2026: 82% on time (17 flights)82MayJun 2026: 68% on time (25 flights)68JunJul 2026: 63% on time (30 flights)63JulAug 2026: 68% on time (28 flights)68Aug

By day of week

DayFlightsOn time
Monday3158%
Tuesday15—
Wednesday15—
Thursday19—
Friday3281%
Saturday2255%
Sunday2065%

Why it was late

Late inbound plane 80%Air traffic & airport (NAS) 14%Airline (crew, maintenance, ops) 6%

All flights FLL → CLE · Connecting off F9 3451? Check the risk

Questions

How often is F9 3451 from FLL to CLE late?

Frontier Airlines 3451 from Fort Lauderdale, FL to Cleveland, OH arrived 15 or more minutes late, was diverted or was cancelled on 29% of 154 scheduled flights between September 2025 and August 2026. 3.9% 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.